{"id":"CVE-2026-42974","published":"2026-06-09T17:06:12Z","modified":"2026-09-24T13:45:03Z","title":"Windows Performance Monitor Remote Code Execution Vulnerability","vendor":"Microsoft","product":"Windows 11 version 23H2","tier":"tail","description":{"text":"Integer overflow or wraparound in Windows Performance Monitor allows an unauthorized attacker to execute code over a network.","provenance":"source","from":"CVE.org"},"cvss":{"score":8.1,"severity":"HIGH","version":"3.1","vector":"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","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.0064,"percentile":0.50508,"provenance":"source"},"cwes":[{"id":"CWE-190","name":"Integer Overflow or Wraparound"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42974","tags":["vendor-advisory","patch"]}],"priority":{"score":15.8,"factors":[{"name":"EPSS percentile","points":10.1},{"name":"CVSS severity","points":5.67}]},"vendorSlug":"microsoft","affectedVersions":[{"vendor":"Microsoft","product":"Windows 11 version 23H2","versions":[">= 10.0.22631.0, < 10.0.22631.7219"]},{"vendor":"Microsoft","product":"Windows 11 Version 23H2","versions":[">= 10.0.22631.0, < 10.0.22631.7219"]},{"vendor":"Microsoft","product":"Windows 11 Version 24H2","versions":[">= 10.0.26100.0, < 10.0.26100.8655"]},{"vendor":"Microsoft","product":"Windows 11 Version 25H2","versions":[">= 10.0.26200.0, < 10.0.26200.8655"]},{"vendor":"Microsoft","product":"Windows 11 version 26H1","versions":[">= 10.0.28000.0, < 10.0.28000.2269"]},{"vendor":"Microsoft","product":"Windows Server 2022","versions":[">= 10.0.20348.0, < 10.0.20348.5256"]},{"vendor":"Microsoft","product":"Windows Server 2025","versions":[">= 10.0.26100.0, < 10.0.26100.32995"]},{"vendor":"Microsoft","product":"Windows Server 2025 (Server Core installation)","versions":[">= 10.0.26100.0, < 10.0.26100.32995"]}],"euvd":{"id":"EUVD-2026-35736","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-microsoft-windows-cwe-190"}}