Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Windows 10 Version 21H2, Windows 10 Version 22H2, Windows 11 versions 23H2, 24H2, 25H2 and 26H1, and Windows Server 2022 and 2025 are affected, with the exact builds listed in the affected products. An authorized attacker with local access can exploit a use-after-free flaw in the Connected User Experiences and Telemetry component to elevate privileges. Upgrade to the fixed builds listed for your version (for example 10.0.19045.7725 for Windows 10 22H2 or 10.0.26100.9445 for Windows 11 24H2). The source gives few details.
Not analysed yet
We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 7.0 | High | 3.1 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C | CNA (microsoft) |
- CISA KEV Not listed.
- EPSS 0.0026, the 18th percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 8 Sept 2026, 17:10 UTC Confirmed by the CVE List
- 31 Oct 2026, 16:20 UTC First seen by agentprime