CVE-2025-53155

Windows Hyper-V Elevation of Privilege Vulnerability

State: Published
Severity: 7.8 High
Published: Aug 12, 2025
Updated: Feb 26, 2026
Reserved: Jun 26, 2025

Description

Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-122 Heap-based Buffer Overflow

Affected Products

Product	Versions
Windows 10 Version 1507Microsoft	10.0.10240.0 to before 10.0.10240.21100Affected
Windows 10 Version 1607Microsoft	10.0.14393.0 to before 10.0.14393.8330Affected
Windows 10 Version 1809Microsoft	10.0.17763.0 to before 10.0.17763.7678Affected
Windows 10 Version 21H2Microsoft	10.0.19044.0 to before 10.0.19044.6216Affected
Windows 10 Version 22H2Microsoft	10.0.19045.0 to before 10.0.19045.6216Affected
Windows 11 version 22H2Microsoft	10.0.22621.0 to before 10.0.22621.5768Affected
Windows 11 version 22H3Microsoft	10.0.22631.0 to before 10.0.22631.5768Affected
Windows 11 Version 23H2Microsoft	10.0.22631.0 to before 10.0.22631.5768Affected
Windows 11 Version 24H2Microsoft	10.0.26100.0 to before 10.0.26100.4946Affected
Windows Server 2012Microsoft	6.2.9200.0 to before 6.2.9200.25622Affected
Windows Server 2012 (Server Core installation)Microsoft	6.2.9200.0 to before 6.2.9200.25622Affected
Windows Server 2012 R2Microsoft	6.3.9600.0 to before 6.3.9600.22725Affected
Windows Server 2012 R2 (Server Core installation)Microsoft	6.3.9600.0 to before 6.3.9600.22725Affected
Windows Server 2016Microsoft	10.0.14393.0 to before 10.0.14393.8330Affected
Windows Server 2016 (Server Core installation)Microsoft	10.0.14393.0 to before 10.0.14393.8330Affected
Windows Server 2019Microsoft	10.0.17763.0 to before 10.0.17763.7678Affected
Windows Server 2019 (Server Core installation)Microsoft	10.0.17763.0 to before 10.0.17763.7678Affected
Windows Server 2022Microsoft	10.0.20348.0 to before 10.0.20348.4052Affected
Windows Server 2022, 23H2 Edition (Server Core installation)Microsoft	10.0.25398.0 to before 10.0.25398.1791Affected
Windows Server 2025Microsoft	10.0.26100.0 to before 10.0.26100.4946Affected
Windows Server 2025 (Server Core installation)Microsoft	10.0.26100.0 to before 10.0.26100.4946Affected

References

Windows Hyper-V Elevation of Privilege Vulnerabilityvendor-advisorypatch

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