Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Microsoft Windows Audio Service contains a heap-based buffer overflow affecting Windows 10 (versions 1607, 1809, 21H2, 22H2), Windows 11 (23H2, 24H2, 25H2, 26H1), and Windows Server 2012 at the builds listed in the advisory. An attacker with local authorized access can exploit it to elevate privileges. Upgrade to the fixed build for your version, such as 10.0.19045.7725 for Windows 10 22H2 or 10.0.26100.9445 for Windows 11 24H2. The source gives few details on the exploitation conditions, and no workaround is listed.
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 |
|---|---|---|---|---|
| 7.8 | High | 3.1 | CVSS:3.1/AV:L/AC:L/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 0.0033, the 26th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 8 Sept 2026, 17:12 UTC Confirmed by the CVE List
- 31 Oct 2026, 16:20 UTC First seen by agentprime