CVE-2026-97800

Microsoft — Windows Mobile Broadband Elevation of Privilege Vulnerability

Patch Tuesday

What EVULNABLE says

Microsoft Exploitability Index: Exploitation More Likely, and CVSS base score 7.8.

CISA KEV: did not apply
Ransomware: did not apply
Vendor exploitation: did not apply
EPSS: did not apply
Microsoft Exploitability Index: applied
Pre-patch disclosure: did not apply
KEV recency: did not apply
CVSS: applied

Scheduled Maintenance

EVRS16/100

EVRS priorityElevated

Evidence available

6 of 8 signals

CVSS: CVSS base score 7.8
EPSS: 0.2% EPSS probability
CISA KEV: Not currently CISA KEV-listed
Pre-patch disclosure: Not publicly disclosed pre-patch
Vendor exploitation: No confirmed active exploitation
Microsoft Exploitability Index: Exploitation More Likely
Ransomware: Ransomware association unavailable
CISA KEV listing date: CISA KEV listing date unavailable

Why some signals show no data

CVSS: 7.8
EPSS: 0.002 (14.8th pctl)

NVD ↗Microsoft ↗

The priority band answers “how soon”, not “how bad” — see Methodology for what it weighs and where it abstains.

The evidence behind it

Measure	Value	Source	What it means
CVSS base score	7.8	—	How severe the flaw is in itself. It does not say how likely an attack is.
FIRST EPSS	0.002 (14.8th pctl)	FIRST	FIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs.
Actively exploited	Not confirmed	Patch Tuesday	Whether a source of record has confirmed attacks using it in the wild.
Fixed in	windows 11 24h2: update to 10.0.26100.9711 or later \| windows 11 25h2: update to 10.0.26200.9711 or later \| windows 11 26h1: update to 10.0.28000.3231 or later \| windows 11 26h2: update to 10.0.26300.9711 or later	NVD	The version(s) the vendor has published as fixed, where NVD records one.
Public exploit module	None known	Metasploit	Module existing is not the same as active exploitation.
EUVD cross-reference	Listed	ENISA EUVD	ENISA's own vulnerability database entry for this CVE, where one exists.

Impacted software or hardware

windows 11 24h2 Operating system — < 10.0.26100.9711
windows 11 25h2 Operating system — < 10.0.26200.9711
windows 11 26h1 Operating system — < 10.0.28000.3231
windows 11 26h2 Operating system — < 10.0.26300.9711

Fixed versions: windows 11 24h2: update to 10.0.26100.9711 or later | windows 11 25h2: update to 10.0.26200.9711 or later | windows 11 26h1: update to 10.0.28000.3231 or later | windows 11 26h2: update to 10.0.26300.9711 or later

Remediation: Update the affected product(s) to a fixed version: windows 11 24h2: update to 10.0.26100.9711 or later | windows 11 25h2: update to 10.0.26200.9711 or later | windows 11 26h1: update to 10.0.28000.3231 or later | windows 11 26h2: update to 10.0.26300.9711 or later.

Remediation basis: NVD CPE version data

ENISA EUVD also lists this CVE at CVSS 7.8 (v3.1), assigned by microsoft. Source: euvd.enisa.europa.eu.

2 days recorded, 2026-10-14 to 2026-10-15

0.25% as of 2026-10-15 (14.7th percentile). FIRST EPSS, recorded daily since this page started tracking it.

2026-10-14 2026-10-15

The primary records

This page is an opinion about urgency. Where it and a source of record disagree, the source of record is the record.

NVD ↗ Microsoft ↗

Where this sits

CVE-2026-97800 is one of the entries ranked on the priority feed and in this month's Microsoft release.