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MEDIUM · 5.3

CVE-2025-62567

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

Vulnerability Description

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

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
MicrosoftWindows 10 1607< 10.0.14393.8688
MicrosoftWindows 10 1809< 10.0.17763.8146
MicrosoftWindows 10 21H2< 10.0.19044.6691
MicrosoftWindows 10 22H2< 10.0.19045.6691
MicrosoftWindows 11 23H2< 10.0.22631.6345
MicrosoftWindows 11 24H2< 10.0.26100.7392
MicrosoftWindows 11 25H2< 10.0.26200.7392
MicrosoftWindows Server 2012r2
MicrosoftWindows Server 2016< 10.0.14393.8688
MicrosoftWindows Server 2019< 10.0.17763.8146
MicrosoftWindows Server 2022< 10.0.20348.4467
MicrosoftWindows Server 2022 23H2< 10.0.25398.2025
MicrosoftWindows Server 2025< 10.0.26100.7392

Related Weaknesses (CWE)

CWE-191

References

FAQ

What is CVE-2025-62567?

CVE-2025-62567 is a vulnerability with a CVSS score of 5.3 (MEDIUM). Integer underflow (wrap or wraparound) in Windows Hyper-V allows an authorized attacker to deny service over a network.

How severe is CVE-2025-62567?

CVE-2025-62567 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-62567?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21H2, Microsoft Windows 10 22H2, Microsoft Windows 11 23H2.