Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Microsoft Windows 10, Windows 11 and Windows Server 2012 builds listed in the advisory are affected by a stack-based buffer overflow in Windows Netlogon. An unauthorized attacker with network access can exploit it to execute code. The source gives few details beyond this. Upgrade to the fixed builds listed for each version, such as 10.0.19045.7725 for Windows 10 Version 22H2 and 6.2.9200.26349 for Windows Server 2012.
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 |
|---|---|---|---|---|
| 9.8 | Critical | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C | CNA (microsoft) |
- CISA KEV Not listed.
- EPSS 0.0097, the 62nd percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 8 Sept 2026, 17:13 UTC Confirmed by the CVE List
- 31 Oct 2026, 16:21 UTC First seen by agentprime