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Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Applocker Filter Driver (applockerfltr.sys) allows an authorized attacker to elevate privileges locally.

PUBLISHED Reserved 2026-01-29 | Published 2026-04-14 | Updated 2026-06-01 | Assigner microsoft




HIGH: 7.0CVSS:3.1/AV:L/AC:H/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')

Product status

10.0.22631.0 (custom) before 10.0.22631.6936
affected

10.0.22631.0 (custom) before 10.0.22631.6936
affected

10.0.26100.0 (custom) before 10.0.26100.8246
affected

10.0.26200.0 (custom) before 10.0.26200.8246
affected

10.0.28000.0 (custom) before 10.0.28000.1836
affected

10.0.25398.0 (custom) before 10.0.25398.2274
affected

10.0.26100.0 (custom) before 10.0.26100.32690
affected

10.0.26100.0 (custom) before 10.0.26100.32690
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-25184 (Applocker Filter Driver (applockerfltr.sys) Elevation of Privilege Vulnerability) vendor-advisory patch

cve.org (CVE-2026-25184)

nvd.nist.gov (CVE-2026-25184)

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