CVE-2025-62567

Published: Dec 9, 2025Modified: Dec 10, 2025

5.3

Vector

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

Exploitability: 1.6 / Impact: 3.6

Source: secure@microsoft.com (Secondary)

Description

Integer underflow (wrap or wraparound) in Windows Hyper-V allows an authorized attacker to deny service over a network.

Affected (13)

Products: Microsoft: Windows 10 1607, Windows 10 1809, Windows 10 21h2, Windows 10 22h2, Windows 11 23h2, Windows 11 24h2, Windows 11 25h2, Windows Server 2012, Windows Server 2016, Windows Server 2019, Windows Server 2022, Windows Server 2022 23h2, Windows Server 2025

13 products

Windows 10 1607

Windows 10 1809

Windows 10 21h2

Windows 10 22h2

Windows 11 23h2

Windows 11 24h2

Windows 11 25h2

Windows Server 2012

Windows Server 2016

Windows Server 2019

Windows Server 2022

Windows Server 2022 23h2

Windows Server 2025

Configuration A

13 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 10 1607	Before 10.0.14393.8688
Microsoft Windows 10 1809	Before 10.0.17763.8146
Microsoft Windows 10 21h2	Before 10.0.19044.6691
Microsoft Windows 10 22h2	Before 10.0.19045.6691
Microsoft Windows 11 23h2	Before 10.0.22631.6345
Microsoft Windows 11 24h2	Before 10.0.26100.7392
Microsoft Windows 11 25h2	Before 10.0.26200.7392
Microsoft Windows Server 2012	Version r2
Microsoft Windows Server 2016	Before 10.0.14393.8688
Microsoft Windows Server 2019	Before 10.0.17763.8146
Microsoft Windows Server 2022	Before 10.0.20348.4467
Microsoft Windows Server 2022 23h2	Before 10.0.25398.2025
Microsoft Windows Server 2025	Before 10.0.26100.7392

Related CWEs

Integer Underflow (Wrap or Wraparound)

The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62567

Source: secure@microsoft.com

Vendor Advisory

Timeline

No history available yet.