VDB

CVE-2026-42981

CVE-2026-42981 PUBLISHED CVSS 8.1 HIGH

Reported by microsoft · Published June 9, 2026

Integer underflow (wrap or wraparound) in Windows Performance Monitor allows an unauthorized attacker to execute code over a network.

Risk Scores

CVSS 3.1
8.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected Products

VendorProductVersions
MicrosoftWindows 11 version 23H210.0.22631.0
MicrosoftWindows 11 Version 23H210.0.22631.0
MicrosoftWindows 11 Version 24H210.0.26100.0
MicrosoftWindows 11 Version 25H210.0.26200.0
MicrosoftWindows 11 version 26H110.0.28000.0
MicrosoftWindows Server 202210.0.20348.0
MicrosoftWindows Server 202510.0.26100.0
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0
MicrosoftWindows Server 202510.0.26100.0, 10.0.26100.0, 10.0.26100.0
MicrosoftWindows 11 version 26H110.0.28000.0, 10.0.28000.0, 10.0.28000.0
MicrosoftWindows 11 Version 24H210.0.26100.0, 10.0.26100.0, 10.0.26100.0
microsoftwindows_server_202210.0.20348.0, 10.0.20348.0, 10.0.20348.0
microsoftwindows_server_202510.0.26100.0, 10.0.26100.0, 10.0.26100.0
microsoftwindows_11_26H110.0.28000.0, 10.0.28000.0, 10.0.28000.0
MicrosoftWindows 11 version 23H210.0.22631.0, 10.0.22631.0, 10.0.22631.0
MicrosoftWindows 11 Version 25H210.0.26200.0, 10.0.26200.0, 10.0.26200.0
microsoftwindows_11_23H210.0.22631.0, 10.0.22631.0, 10.0.22631.0
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0, 10.0.26100.0, 10.0.26100.0
microsoftwindows_11_24H210.0.26100.0, 10.0.26100.0, 10.0.26100.0
MicrosoftWindows Server 202210.0.20348.0, 10.0.20348.0, 10.0.20348.0

…and 2 more

Timeline

  • Jun 9, 2026 CVE Published
  • Jun 10, 2026 Coalition ESS Score
  • Jun 10, 2026 Security Advisory
  • Jun 10, 2026 Security Advisory

References

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