Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Windows Bluetooth Service on Windows 10 (versions 1809, 21H2, 22H2), Windows 11 (23H2, 24H2, 25H2, 26H1) and Windows Server 2019 contains a use-after-free flaw. An authorized local attacker can exploit it to elevate privileges. The fix is to upgrade to the listed builds: 10.0.17763.9245 or later for Windows 10 1809 and Server 2019, 10.0.19044.7725 or later for 21H2, 10.0.19045.7725 or later for 22H2, 10.0.22631.7582 or later for 23H2, 10.0.26100.9445 or later for 24H2, 10.0.26200.9445 or later for 25H2, and 10.0.28000.2954 or later for 26H1.
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, 17:12 UTC Confirmed by the CVE List
- 31 Oct 2026, 16:20 UTC First seen by agentprime