Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Capability Access Management Service (camsvc) allows an authorized attacker to elevate privileges locally.

Related CPE's

o

microsoft

windows_11_24h2

2

o

microsoft

windows_11_25h2

2

o

microsoft

windows_server_2025

Vulnerable

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21221

Vendor Advisory

Weaknesses

[email protected]

Primary
CWE-362CWE-416

CVSS impact metrics

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

7 · High

Information

Source identifier

[email protected]

Vulnerability status

Analyzed

Published

2026-01-13T18:16:24.723Z

3 days ago

Last modified

2026-01-16T16:48:12.050Z

2 hours ago