Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Microsoft Windows 11 (versions 23H2, 24H2, 25H2 and 26H1) and Windows Server 2025 are affected by a Windows NTFS elevation of privilege vulnerability, caused by improper link resolution before file access. An authorized local attacker can exploit it to elevate privileges. The source gives few details on the exact conditions. Upgrade to the fixed builds: 10.0.22631.7582 or later for 23H2, 10.0.26100.9445 or later for 24H2, 10.0.26200.9445 or later for 25H2, 10.0.28000.2954 or later for 26H1, and 10.0.26100.33438 or later for Windows Server 2025.
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 0.0028, the 21st percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 8 Sept 2026, 17:11 UTC Confirmed by the CVE List
- 31 Oct 2026, 16:20 UTC First seen by agentprime