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Description

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

PUBLISHED Reserved 2026-06-04 | Published 2026-07-14 | Updated 2026-07-14 | Assigner microsoft




HIGH: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Problem types

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-416: Use After Free

Product status

10.0.26100.0 (custom) before 10.0.26100.8875
affected

10.0.26200.0 (custom) before 10.0.26200.8875
affected

10.0.28000.0 (custom) before 10.0.28000.2269
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50440 (Windows Audio Service Elevation of Privilege Vulnerability) vendor-advisory patch

cve.org (CVE-2026-50440)

nvd.nist.gov (CVE-2026-50440)

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