Microsoft Patch Tuesday

This month's Microsoft Security Update Guide release: severity and exploitation dashboards, a searchable CVE browser, and a downloadable brief.

Browse This Release's CVEs

Severity
Exploitation

84 of 448 CVEs match the current filters, sorted by EVULNABLE Risk.

CVEs in this Patch Tuesday release matching the current filters, ranked by EVULNABLE Risk Score
CVE TitleMSRC severity EVRS CVSS EPSS KEV Actively Exploited Product(s)
CVE-2026-62893 Windows Deployment Services TFTP Server Remote Code Execution Vulnerability Critical 19 Elevated 9.8 0.027 No No Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server 2022 (Server Core installation), Windows Server 2025 (Server Core installation), Windows Server 2025, +6 more
CVE-2026-62823 Windows DHCP Server Remote Code Execution Vulnerability Critical 18 Elevated 8.8 0.007 No No Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server 2022 (Server Core installation), Windows Server 2025 (Server Core installation), Windows Server 2025, +6 more
CVE-2026-65665 Microsoft SharePoint Server Remote Code Execution Vulnerability Critical 18 Elevated 8.8 0.028 No No Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition
CVE-2026-69558 Microsoft Partner Center Information Disclosure Vulnerability Critical 17 Elevated 8.6 0.005 No No Microsoft Partner Center
CVE-2026-69836 Microsoft Entra ID Remote Code Execution Vulnerability Critical 15 Elevated 10.0 0.016 No No Microsoft Entra ID
CVE-2026-62878 Windows DNS Server Remote Code Execution Vulnerability Critical 15 Elevated 9.8 0.013 No No Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server 2022 (Server Core installation), Windows Server 2025 (Server Core installation), Windows Server 2025, +6 more
CVE-2026-62830 Azure SRE Agent Elevation of Privilege Vulnerability Critical 14 Elevated 9.9 0.005 No No Azure SRE Agent
CVE-2026-68782 Azure SQL Database Elevation of Privilege Vulnerability Critical 14 Elevated 9.9 0.005 No No Azure SQL Database
CVE-2026-68789 Azure SQL Database Elevation of Privilege Vulnerability Critical 14 Elevated 9.9 0.005 No No Azure SQL Database
CVE-2026-50516 Microsoft Azure Kubernetes Service Elevation of Privilege Vulnerability Critical 14 Elevated 9.4 0.008 No No Azure Kubernetes Service
CVE-2026-56162 Azure SQL Database Elevation of Privilege Vulnerability Critical 13 Elevated 10.0 0.007 No No Azure SQL Database
CVE-2026-63508 Microsoft Planetary Computer Pro Elevation of Privilege Vulnerability Critical 13 Elevated 10.0 0.005 No No Microsoft Planetary Computer Pro (GeoCatalog)
CVE-2026-65667 Microsoft Teams Elevation of Privilege Vulnerability Critical 13 Elevated 10.0 0.006 No No Microsoft Teams
CVE-2026-65770 Azure Managed Instance for Apache Cassandra Remote Code Execution Vulnerability Critical 13 Elevated 10.0 0.006 No No Azure Managed Instance for Apache Cassandra
CVE-2026-65801 Microsoft Exchange Online Elevation of Privilege Vulnerability Critical 13 Elevated 10.0 0.005 No No Microsoft Exchange Online
CVE-2026-65816 Azure Arc Elevation of Privilege Vulnerability Critical 13 Elevated 10.0 0.005 No No Azure Web Apps
CVE-2026-69502 Azure SQL Database Elevation of Privilege Vulnerability Critical 13 Elevated 10.0 0.006 No No Azure SQL Database
CVE-2026-69555 Azure Arc Elevation of Privilege Vulnerability Critical 13 Elevated 10.0 0.004 No No Azure ARC
CVE-2026-50481 Azure Active Directory Elevation of Privilege Vulnerability Critical 13 Elevated 9.9 0.006 No No Azure Active Directory
CVE-2026-50515 Azure Service Bus Remote Code Execution Vulnerability Critical 13 Elevated 9.9 0.011 No No Azure Service Bus
CVE-2026-59115 Microsoft Entra Provisioning Service Elevation of Privilege Vulnerability Critical 13 Elevated 9.9 0.008 No No Microsoft Entra Provisioning Service
CVE-2026-63509 Microsoft Fabric Elevation of Privilege Vulnerability Critical 13 Elevated 9.9 0.006 No No Microsoft Fabric
CVE-2026-62816 Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability Critical 13 Elevated 8.8 0.004 No No Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server 2022 (Server Core installation), +24 more
CVE-2026-62817 Windows DNS Server Remote Code Execution Vulnerability Critical 13 Elevated 8.8 0.007 No No Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server 2022 (Server Core installation), Windows Server 2025 (Server Core installation), Windows Server 2025
CVE-2026-62818 Windows Active Directory Certificate Services (AD CS) Remote Code Execution Vulnerability Critical 13 Elevated 8.8 0.010 No No Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server 2022 (Server Core installation), +10 more
Download filtered CVEs (CSV) Patch Tuesday Brief (PDF)

The CSV is exactly the 84 CVE(s) matching the filters above. The PDF is the full leadership brief — at-a-glance summary, Patch First spotlight, top affected products, and the complete per-CVE inventory — not filtered to what is shown here.

CVE detail

Expand any CVE for its description, EVRS score breakdown, and affected products.

CVE-2026-62893 — Windows Deployment Services TFTP Server Remote Code Execution Vulnerability

Remote Code Execution

EVULNABLE Risk · priority 19/100 Elevated Intelligence coverage 90/100 — no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 9.8, and Microsoft Exploitability Index: Exploitation More Likely.

Exploitation status: Neither

Microsoft Exploitability Index: Exploitation More Likely

CVSS v3.1 base score: 9.8

FIRST EPSS: 0.027 (85.1st pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

KB article(s): 5120238, 5120242, 5120229, 5120233, 5120228, 5120418, 5120386, 5120385

Affected product(s): Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server 2022 (Server Core installation), Windows Server 2025 (Server Core installation), Windows Server 2025, +6 more

CVE-2026-62823 — Windows DHCP Server Remote Code Execution Vulnerability

Remote Code Execution

EVULNABLE Risk · priority 18/100 Elevated Intelligence coverage 90/100 — no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 8.8, and Microsoft Exploitability Index: Exploitation More Likely.

Exploitation status: Neither

Microsoft Exploitability Index: Exploitation More Likely

CVSS v3.1 base score: 8.8

FIRST EPSS: 0.007 (49.3rd pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

KB article(s): 5120238, 5120242, 5120229, 5120233, 5120228, 5120418, 5120386, 5120385

Affected product(s): Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server 2022 (Server Core installation), Windows Server 2025 (Server Core installation), Windows Server 2025, +6 more

CVE-2026-65665 — Microsoft SharePoint Server Remote Code Execution Vulnerability

Remote Code Execution

EVULNABLE Risk · priority 18/100 Elevated Intelligence coverage 90/100 — no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 8.8, and Microsoft Exploitability Index: Exploitation More Likely.

Exploitation status: Neither

Microsoft Exploitability Index: Exploitation More Likely

CVSS v3.1 base score: 8.8

FIRST EPSS: 0.028 (85.3rd pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

KB article(s): 5002894, 5002896, 5002893

Affected product(s): Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition

CVE-2026-69558 — Microsoft Partner Center Information Disclosure Vulnerability

Information Disclosure

EVULNABLE Risk · priority 17/100 Elevated Intelligence coverage 90/100 — no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 8.6, and Microsoft Exploitability Index: Exploitation More Likely.

Exploitation status: Neither

Microsoft Exploitability Index: Exploitation More Likely

CVSS v3.1 base score: 8.6

FIRST EPSS: 0.005 (43.3rd pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

Affected product(s): Microsoft Partner Center

CVE-2026-69836 — Microsoft Entra ID Remote Code Execution Vulnerability

Remote Code Execution

EVULNABLE Risk · priority 15/100 Elevated Intelligence coverage 90/100 — no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 10.0, and Microsoft Exploitability Index: Exploitation Less Likely.

Exploitation status: Neither

Microsoft Exploitability Index: Exploitation Less Likely

CVSS v3.1 base score: 10.0

FIRST EPSS: 0.016 (73.5th pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

Affected product(s): Microsoft Entra ID

CVE-2026-62878 — Windows DNS Server Remote Code Execution Vulnerability

Remote Code Execution

EVULNABLE Risk · priority 15/100 Elevated Intelligence coverage 90/100 — no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 9.8, and Microsoft Exploitability Index: Exploitation Less Likely.

Exploitation status: Neither

Microsoft Exploitability Index: Exploitation Less Likely

CVSS v3.1 base score: 9.8

FIRST EPSS: 0.013 (67.6th pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

KB article(s): 5120238, 5120242, 5120229, 5120233, 5120228, 5120418, 5120386, 5120385

Affected product(s): Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server 2022 (Server Core installation), Windows Server 2025 (Server Core installation), Windows Server 2025, +6 more

CVE-2026-62830 — Azure SRE Agent Elevation of Privilege Vulnerability

Elevation of Privilege

EVULNABLE Risk · priority 14/100 Elevated Intelligence coverage 90/100 — no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 9.9, and Microsoft Exploitability Index: Exploitation Less Likely.

Exploitation status: Neither

Microsoft Exploitability Index: Exploitation Less Likely

CVSS v3.1 base score: 9.9

FIRST EPSS: 0.005 (41.9th pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

Affected product(s): Azure SRE Agent

CVE-2026-68782 — Azure SQL Database Elevation of Privilege Vulnerability

Elevation of Privilege

EVULNABLE Risk · priority 14/100 Elevated Intelligence coverage 90/100 — no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 9.9, and Microsoft Exploitability Index: Exploitation Less Likely.

Exploitation status: Neither

Microsoft Exploitability Index: Exploitation Less Likely

CVSS v3.1 base score: 9.9

FIRST EPSS: 0.005 (43.4th pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

Affected product(s): Azure SQL Database

CVE-2026-68789 — Azure SQL Database Elevation of Privilege Vulnerability

Elevation of Privilege

EVULNABLE Risk · priority 14/100 Elevated Intelligence coverage 90/100 — no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 9.9, and Microsoft Exploitability Index: Exploitation Less Likely.

Exploitation status: Neither

Microsoft Exploitability Index: Exploitation Less Likely

CVSS v3.1 base score: 9.9

FIRST EPSS: 0.005 (42.8th pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

Affected product(s): Azure SQL Database

CVE-2026-50516 — Microsoft Azure Kubernetes Service Elevation of Privilege Vulnerability

Elevation of Privilege

EVULNABLE Risk · priority 14/100 Elevated Intelligence coverage 90/100 — no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 9.4, and Microsoft Exploitability Index: Exploitation Less Likely.

Exploitation status: Neither

Microsoft Exploitability Index: Exploitation Less Likely

CVSS v3.1 base score: 9.4

FIRST EPSS: 0.008 (55.3rd pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

Affected product(s): Azure Kubernetes Service

CVE-2026-56162 — Azure SQL Database Elevation of Privilege Vulnerability

Elevation of Privilege

EVULNABLE Risk · priority 13/100 Elevated Intelligence coverage 80/100 — no Microsoft Exploitability Index, no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 10.0, and an EPSS probability of 0.007.

Exploitation status: Neither

Microsoft Exploitability Index: N/A

CVSS v3.1 base score: 10.0

FIRST EPSS: 0.007 (49.4th pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

Affected product(s): Azure SQL Database

CVE-2026-63508 — Microsoft Planetary Computer Pro Elevation of Privilege Vulnerability

Elevation of Privilege

EVULNABLE Risk · priority 13/100 Elevated Intelligence coverage 80/100 — no Microsoft Exploitability Index, no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 10.0, and an EPSS probability of 0.005.

Exploitation status: Neither

Microsoft Exploitability Index: N/A

CVSS v3.1 base score: 10.0

FIRST EPSS: 0.005 (43rd pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

Affected product(s): Microsoft Planetary Computer Pro (GeoCatalog)

CVE-2026-65667 — Microsoft Teams Elevation of Privilege Vulnerability

Elevation of Privilege

EVULNABLE Risk · priority 13/100 Elevated Intelligence coverage 80/100 — no Microsoft Exploitability Index, no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 10.0, and an EPSS probability of 0.006.

Exploitation status: Neither

Microsoft Exploitability Index: N/A

CVSS v3.1 base score: 10.0

FIRST EPSS: 0.006 (47.4th pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

Affected product(s): Microsoft Teams

CVE-2026-65770 — Azure Managed Instance for Apache Cassandra Remote Code Execution Vulnerability

Remote Code Execution

EVULNABLE Risk · priority 13/100 Elevated Intelligence coverage 80/100 — no Microsoft Exploitability Index, no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 10.0, and an EPSS probability of 0.006.

Exploitation status: Neither

Microsoft Exploitability Index: N/A

CVSS v3.1 base score: 10.0

FIRST EPSS: 0.006 (44.7th pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

Affected product(s): Azure Managed Instance for Apache Cassandra

CVE-2026-65801 — Microsoft Exchange Online Elevation of Privilege Vulnerability

Elevation of Privilege

EVULNABLE Risk · priority 13/100 Elevated Intelligence coverage 80/100 — no Microsoft Exploitability Index, no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 10.0, and an EPSS probability of 0.005.

Exploitation status: Neither

Microsoft Exploitability Index: N/A

CVSS v3.1 base score: 10.0

FIRST EPSS: 0.005 (41.6th pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

Affected product(s): Microsoft Exchange Online

CVE-2026-65816 — Azure Arc Elevation of Privilege Vulnerability

Elevation of Privilege

EVULNABLE Risk · priority 13/100 Elevated Intelligence coverage 80/100 — no Microsoft Exploitability Index, no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 10.0, and an EPSS probability of 0.005.

Exploitation status: Neither

Microsoft Exploitability Index: N/A

CVSS v3.1 base score: 10.0

FIRST EPSS: 0.005 (42.4th pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

Affected product(s): Azure Web Apps

CVE-2026-69502 — Azure SQL Database Elevation of Privilege Vulnerability

Elevation of Privilege

EVULNABLE Risk · priority 13/100 Elevated Intelligence coverage 80/100 — no Microsoft Exploitability Index, no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 10.0, and an EPSS probability of 0.006.

Exploitation status: Neither

Microsoft Exploitability Index: N/A

CVSS v3.1 base score: 10.0

FIRST EPSS: 0.006 (45.5th pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

Affected product(s): Azure SQL Database

CVE-2026-69555 — Azure Arc Elevation of Privilege Vulnerability

Elevation of Privilege

EVULNABLE Risk · priority 13/100 Elevated Intelligence coverage 80/100 — no Microsoft Exploitability Index, no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 10.0, and an EPSS probability of 0.004.

Exploitation status: Neither

Microsoft Exploitability Index: N/A

CVSS v3.1 base score: 10.0

FIRST EPSS: 0.004 (36.9th pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

Affected product(s): Azure ARC

CVE-2026-50481 — Azure Active Directory Elevation of Privilege Vulnerability

Elevation of Privilege

EVULNABLE Risk · priority 13/100 Elevated Intelligence coverage 80/100 — no Microsoft Exploitability Index, no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 9.9, and an EPSS probability of 0.006.

Exploitation status: Neither

Microsoft Exploitability Index: N/A

CVSS v3.1 base score: 9.9

FIRST EPSS: 0.006 (44.6th pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

Affected product(s): Azure Active Directory

CVE-2026-50515 — Azure Service Bus Remote Code Execution Vulnerability

Remote Code Execution

EVULNABLE Risk · priority 13/100 Elevated Intelligence coverage 80/100 — no Microsoft Exploitability Index, no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 9.9, and an EPSS probability of 0.011.

Exploitation status: Neither

Microsoft Exploitability Index: N/A

CVSS v3.1 base score: 9.9

FIRST EPSS: 0.011 (63.4th pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

Affected product(s): Azure Service Bus

CVE-2026-59115 — Microsoft Entra Provisioning Service Elevation of Privilege Vulnerability

Elevation of Privilege

EVULNABLE Risk · priority 13/100 Elevated Intelligence coverage 80/100 — no Microsoft Exploitability Index, no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 9.9, and an EPSS probability of 0.008.

Exploitation status: Neither

Microsoft Exploitability Index: N/A

CVSS v3.1 base score: 9.9

FIRST EPSS: 0.008 (53.1st pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

Affected product(s): Microsoft Entra Provisioning Service

CVE-2026-63509 — Microsoft Fabric Elevation of Privilege Vulnerability

Elevation of Privilege

EVULNABLE Risk · priority 13/100 Elevated Intelligence coverage 80/100 — no Microsoft Exploitability Index, no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 9.9, and an EPSS probability of 0.006.

Exploitation status: Neither

Microsoft Exploitability Index: N/A

CVSS v3.1 base score: 9.9

FIRST EPSS: 0.006 (47.4th pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

Affected product(s): Microsoft Fabric

CVE-2026-62816 — Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability

Remote Code Execution

EVULNABLE Risk · priority 13/100 Elevated Intelligence coverage 90/100 — no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 8.8, and Microsoft Exploitability Index: Exploitation Less Likely.

Exploitation status: Neither

Microsoft Exploitability Index: Exploitation Less Likely

CVSS v3.1 base score: 8.8

FIRST EPSS: 0.004 (32.4th pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

KB article(s): 5120238, 5120242, 5120229, 5120249, 5120233, 5120228, 5121003, 5120994, 5120240, 5121000, 5120418, 5120386, 5120385

Affected product(s): Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server 2022 (Server Core installation), +24 more

CVE-2026-62817 — Windows DNS Server Remote Code Execution Vulnerability

Remote Code Execution

EVULNABLE Risk · priority 13/100 Elevated Intelligence coverage 90/100 — no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 8.8, and Microsoft Exploitability Index: Exploitation Less Likely.

Exploitation status: Neither

Microsoft Exploitability Index: Exploitation Less Likely

CVSS v3.1 base score: 8.8

FIRST EPSS: 0.007 (49.5th pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

KB article(s): 5120238, 5120242, 5120229, 5120233, 5120228

Affected product(s): Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server 2022 (Server Core installation), Windows Server 2025 (Server Core installation), Windows Server 2025

CVE-2026-62818 — Windows Active Directory Certificate Services (AD CS) Remote Code Execution Vulnerability

Remote Code Execution

EVULNABLE Risk · priority 13/100 Elevated Intelligence coverage 90/100 — no ransomware association data, no CISA KEV listing date

Recommended priority: Scheduled Maintenance

Why this score: CVSS base score 8.8, and Microsoft Exploitability Index: Exploitation Less Likely.

Exploitation status: Neither

Microsoft Exploitability Index: Exploitation Less Likely

CVSS v3.1 base score: 8.8

FIRST EPSS: 0.010 (59.6th pctl) — probability of exploitation in the next 30 days, with its rank across all scored CVEs

CISA KEV: Not currently listed

KB article(s): 5120238, 5120242, 5120229, 5120233, 5120228, 5120418, 5120386, 5120385

Affected product(s): Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server 2022 (Server Core installation), +10 more

Data sources & attribution

Known-exploitation status, required actions, ransomware association and remediation deadlines come from the CISA Known Exploited Vulnerabilities Catalog. Exploitation probability and percentile are provided by FIRST.org's EPSS, used under FIRST's open data terms.

Microsoft Patch Tuesday data is sourced from the Microsoft Security Update Guide; lifecycle milestones from endoflife.date. Linux distribution advisories come from Red Hat, Ubuntu and Debian; vendor bulletins from Adobe, Apple, Chrome, Cisco, Ivanti and Oracle, each linked to its own advisory.