CVE-2025-55335

Windows NTFS Elevation of Privilege Vulnerability

State: Published
Severity: 7.4 High
Published: Oct 14, 2025
Updated: Feb 26, 2026
Reserved: Aug 12, 2025

Description

Use after free in Windows NTFS allows an unauthorized attacker to elevate privileges locally.

Scores

CVSS	Score	Vector	Source
3.1	7.4 High	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-416 Use After Free
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Affected Products

Product	Versions
Windows 10 Version 1507Microsoft	10.0.10240.0 to before 10.0.10240.21161Affected
Windows 10 Version 1607Microsoft	10.0.14393.0 to before 10.0.14393.8519Affected
Windows 10 Version 1809Microsoft	10.0.17763.0 to before 10.0.17763.7919Affected
Windows 10 Version 21H2Microsoft	10.0.19044.0 to before 10.0.19044.6456Affected
Windows 10 Version 22H2Microsoft	10.0.19045.0 to before 10.0.19045.6456Affected
Windows 11 version 22H2Microsoft	10.0.22621.0 to before 10.0.22621.6060Affected
Windows 11 version 22H3Microsoft	10.0.22631.0 to before 10.0.22631.6060Affected
Windows 11 Version 23H2Microsoft	10.0.22631.0 to before 10.0.22631.6060Affected
Windows 11 Version 24H2Microsoft	10.0.26100.0 to before 10.0.26100.6899Affected
Windows 11 Version 25H2Microsoft	10.0.26200.0 to before 10.0.26200.6899Affected
Windows Server 2008 R2 Service Pack 1Microsoft	6.1.7601.0 to before 6.1.7601.27974Affected
Windows Server 2008 R2 Service Pack 1 (Server Core installation)Microsoft	6.1.7601.0 to before 6.1.7601.27974Affected
Windows Server 2008 Service Pack 2Microsoft	6.0.6003.0 to before 6.0.6003.23571Affected
Windows Server 2008 Service Pack 2 (Server Core installation)Microsoft	6.0.6003.0 to before 6.0.6003.23571Affected
Windows Server 2012Microsoft	6.2.9200.0 to before 6.2.9200.25722Affected
Windows Server 2012 (Server Core installation)Microsoft	6.2.9200.0 to before 6.2.9200.25722Affected
Windows Server 2012 R2Microsoft	6.3.9600.0 to before 6.3.9600.22824Affected
Windows Server 2012 R2 (Server Core installation)Microsoft	6.3.9600.0 to before 6.3.9600.22824Affected
Windows Server 2016Microsoft	10.0.14393.0 to before 10.0.14393.8519Affected
Windows Server 2016 (Server Core installation)Microsoft	10.0.14393.0 to before 10.0.14393.8519Affected
Windows Server 2019Microsoft	10.0.17763.0 to before 10.0.17763.7919Affected
Windows Server 2019 (Server Core installation)Microsoft	10.0.17763.0 to before 10.0.17763.7919Affected
Windows Server 2022Microsoft	10.0.20348.0 to before 10.0.20348.4294Affected
Windows Server 2022, 23H2 Edition (Server Core installation)Microsoft	10.0.25398.0 to before 10.0.25398.1913Affected
Windows Server 2025Microsoft	10.0.26100.0 to before 10.0.26100.6899Affected
Windows Server 2025 (Server Core installation)Microsoft	10.0.26100.0 to before 10.0.26100.6899Affected

References

Windows NTFS Elevation of Privilege Vulnerabilityvendor-advisorypatch

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