{"id":"CVE-2026-50465","title":"Improper access control in Microsoft Windows DNS allows an authorized attacker to perform tampering locally.","summary":"Improper access control in Microsoft Windows DNS allows an authorized attacker to perform tampering locally.","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","cwe":["CWE-284"],"vendor":"microsoft","product":"windows_11_24h2","affected":["windows_11_24h2 < 10.0.26100.8875","windows_11_25h2 < 10.0.26200.8875","windows_11_26h1 < 10.0.28000.2269","windows_11_26h1 < 10.0.28000.2525","windows_server_2025 < 10.0.26100.33158"],"patched":["windows_11_24h2 10.0.26100.8875","windows_11_25h2 10.0.26200.8875","windows_11_26h1 10.0.28000.2525","windows_server_2025 10.0.26100.33158"],"published":"2026-07-14","updated":"2026-10-14","sourceUpdated":"2026-10-14T22:10:00.210","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-50465","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50465","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-07-16T13:46:06.339565Z"},"epss":0.00298,"epssPercentile":0.22355,"ingestedAt":"2026-09-08T17:06:31.917Z","slug":"CVE-2026-50465","body":"## Overview\n\nImproper access control in Microsoft Windows DNS allows an authorized attacker to perform tampering locally.\n\n## Affected\n\n- `windows_11_24h2 < 10.0.26100.8875`\n- `windows_11_25h2 < 10.0.26200.8875`\n- `windows_11_26h1 < 10.0.28000.2269`\n- `windows_11_26h1 < 10.0.28000.2525`\n- `windows_server_2025 < 10.0.26100.33158`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `windows_11_24h2 10.0.26100.8875`\n- `windows_11_25h2 10.0.26200.8875`\n- `windows_11_26h1 10.0.28000.2525`\n- `windows_server_2025 10.0.26100.33158`","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}