{"id":"CVE-2026-50465","published":"2026-07-14T17:07:24Z","modified":"2026-10-28T20:04:06Z","title":"Windows DNS Client Tampering Vulnerability","vendor":"Microsoft","product":"Windows 11 Version 24H2","tier":"tail","description":{"text":"Improper access control in Microsoft Windows DNS allows an authorized attacker to perform tampering locally.","provenance":"source","from":"CVE.org"},"cvss":{"score":7.1,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.00298,"percentile":0.22431,"provenance":"source"},"cwes":[{"id":"CWE-284","name":"Improper Access Control"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50465","tags":["vendor-advisory","patch"]}],"priority":{"score":9.5,"factors":[{"name":"EPSS percentile","points":4.49},{"name":"CVSS severity","points":4.97}]},"vendorSlug":"microsoft","affectedVersions":[{"vendor":"Microsoft","product":"Windows 11 Version 24H2","versions":[">= 10.0.26100.0, < 10.0.26100.8875"]},{"vendor":"Microsoft","product":"Windows 11 Version 25H2","versions":[">= 10.0.26200.0, < 10.0.26200.8875"]},{"vendor":"Microsoft","product":"Windows 11 version 26H1","versions":[">= 10.0.28000.0, < 10.0.28000.2525"]},{"vendor":"Microsoft","product":"Windows Server 2025","versions":[">= 10.0.26100.0, < 10.0.26100.33158"]},{"vendor":"Microsoft","product":"Windows Server 2025 (Server Core installation)","versions":[">= 10.0.26100.0, < 10.0.26100.33158"]}],"euvd":{"id":"EUVD-2026-44053","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-microsoft-windows-cwe-284"}}