Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Windows Error Reporting in several Windows 10, Windows 11 and Windows Server 2012 builds has a heap-based buffer overflow. An authorized attacker on the network can exploit it to gain elevated privileges. Upgrade to the fixed builds listed for each affected version.
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 |
|---|---|---|---|---|
| 8.0 | High | 3.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C | CNA (microsoft) |
- CISA KEV Not listed.
- EPSS 0.0075, the 55th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 13 Oct 2026, 18:59 UTC Confirmed by the CVE List
- 31 Oct 2026, 16:20 UTC First seen by agentprime