CVE-2026-70045
Microsoft — Windows Work Folders Elevation of Privilege Vulnerability
Patch Tuesday
What EVULNABLE says
An EPSS probability of 0.003, and CVSS base score 7.0.
Scheduled Maintenance
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 | 7.0 | — | How severe the flaw is in itself. It does not say how likely an attack is. |
| FIRST EPSS | 0.003 (17.9th 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 10 1809: update to 10.0.17763.9376 or later | windows 10 21h2: update to 10.0.19044.7807 or later | windows 10 22h2: update to 10.0.19045.7807 or later | windows 11 23h2: update to 10.0.22631.7652 or later | windows 11 24h2: update to 10.0.26100.9711 or later | windows 11 25h2: update to 10.0.26200.9711 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 10 1809 Operating system — < 10.0.17763.9376
- windows 10 21h2 Operating system — < 10.0.19044.7807
- windows 10 22h2 Operating system — < 10.0.19045.7807
- windows 11 23h2 Operating system — < 10.0.22631.7652
- 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
+2 more affected products — see the full list at NVD.
Fixed versions: windows 10 1809: update to 10.0.17763.9376 or later | windows 10 21h2: update to 10.0.19044.7807 or later | windows 10 22h2: update to 10.0.19045.7807 or later | windows 11 23h2: update to 10.0.22631.7652 or later | windows 11 24h2: update to 10.0.26100.9711 or later | windows 11 25h2: update to 10.0.26200.9711 or later
Remediation: Apply the vendor patch or guidance: https://github.com/advisories/GHSA-8xq7-9v7m-5m9p | https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70045
Remediation basis: External remediation intelligence
ENISA EUVD also lists this CVE at CVSS 7.0 (v3.1), assigned by microsoft. Source: euvd.enisa.europa.eu.
2 days recorded, 2026-10-14 to 2026-10-15
0.27% as of 2026-10-15 (17.9th 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.
Where this sits
CVE-2026-70045 is one of the entries ranked on the priority feed and in this month's Microsoft release.