HarborGuard / CVE
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HIGHCVE-2026-25184Published Modified CNA microsoft

CVE-2026-25184: Applocker Filter Driver (applockerfltr.sys) Elevation of Privilege Vulnerability

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

Metrics

CVSS v3.1
7.0
Severity
HIGH
Fixed in
10.0.22631.6936
Affected Products
8

Fix available

10.0.22631.693610.0.25398.227410.0.26100.824610.0.26100.3269010.0.26200.824610.0.28000.1836
Patch commits
Affected packages
  • Microsoft / Windows 11 version 22H3
    < 10.0.22631.6936 (from 10.0.22631.0)
  • Microsoft / Windows 11 Version 23H2
    < 10.0.22631.6936 (from 10.0.22631.0)
  • Microsoft / Windows 11 Version 24H2
    < 10.0.26100.8246 (from 10.0.26100.0)
  • Microsoft / Windows 11 Version 25H2
    < 10.0.26200.8246 (from 10.0.26200.0)
  • Microsoft / Windows 11 version 26H1
    < 10.0.28000.1836 (from 10.0.28000.0)
  • Microsoft / Windows Server 2022, 23H2 Edition (Server Core installation)
    < 10.0.25398.2274 (from 10.0.25398.0)
  • Microsoft / Windows Server 2025
    < 10.0.26100.32690 (from 10.0.26100.0)
  • Microsoft / Windows Server 2025 (Server Core installation)
    < 10.0.26100.32690 (from 10.0.26100.0)
CVSS Vector
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
References