CVE-2025-55233

HighCVSS 7.8/10Last modified Oct 7, 2026

Description

Out-of-bounds read in Windows Projected File System allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-125

Affected software

Vendor	Product	Versions
Microsoft	Windows 10 Version 1809	>= 10.0.17763.0, < 10.0.17763.8146
Microsoft	Windows 10 Version 21H2	>= 10.0.19044.0, < 10.0.19044.6691
Microsoft	Windows 10 Version 22H2	>= 10.0.19045.0, < 10.0.19045.6691
Microsoft	Windows 11 version 22H3	>= 10.0.22631.0, < 10.0.22631.6345
Microsoft	Windows 11 Version 23H2	>= 10.0.22631.0, < 10.0.22631.6345
Microsoft	Windows 11 Version 24H2	>= 10.0.26100.0, < 10.0.26100.7462
Microsoft	Windows 11 Version 25H2	>= 10.0.26200.0, < 10.0.26200.7462
Microsoft	Windows Server 2019	>= 10.0.17763.0, < 10.0.17763.8146
Microsoft	Windows Server 2019 (Server Core installation)	>= 10.0.17763.0, < 10.0.17763.8146
Microsoft	Windows Server 2022	>= 10.0.20348.0, < 10.0.20348.4529
Microsoft	Windows Server 2022, 23H2 Edition (Server Core installation)	>= 10.0.25398.0, < 10.0.25398.2025
Microsoft	Windows Server 2025	>= 10.0.26100.0, < 10.0.26100.7462
Microsoft	Windows Server 2025 (Server Core installation)	>= 10.0.26100.0, < 10.0.26100.7462

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55233Vendor Advisory

Timeline

Published: Dec 9, 2025
Last modified: Oct 7, 2026
NVD status: Analyzed

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