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Description

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

PUBLISHED Reserved 2025-10-15 | Published 2025-12-09 | Updated 2025-12-12 | Assigner microsoft




MEDIUM: 5.3CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

Problem types

CWE-191: Integer Underflow (Wrap or Wraparound)

Product status

10.0.17763.0 (custom) before 10.0.17763.8146
affected

10.0.17763.0 (custom) before 10.0.17763.8146
affected

10.0.17763.0 (custom) before 10.0.17763.8146
affected

10.0.20348.0 (custom) before 10.0.20348.4529
affected

10.0.19044.0 (custom) before 10.0.19044.6691
affected

10.0.19045.0 (custom) before 10.0.19045.6691
affected

10.0.26100.0 (custom) before 10.0.26100.7462
affected

10.0.26200.0 (custom) before 10.0.26200.7462
affected

10.0.22631.0 (custom) before 10.0.22631.6345
affected

10.0.22631.0 (custom) before 10.0.22631.6345
affected

10.0.25398.0 (custom) before 10.0.25398.2025
affected

10.0.26100.0 (custom) before 10.0.26100.7462
affected

10.0.26100.0 (custom) before 10.0.26100.7462
affected

10.0.14393.0 (custom) before 10.0.14393.8688
affected

10.0.14393.0 (custom) before 10.0.14393.8688
affected

10.0.14393.0 (custom) before 10.0.14393.8688
affected

6.3.9600.0 (custom) before 6.3.9600.22920
affected

6.3.9600.0 (custom) before 6.3.9600.22920
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62567 (Windows Hyper-V Denial of Service Vulnerability) vendor-advisory

cve.org (CVE-2025-62567)

nvd.nist.gov (CVE-2025-62567)

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