{"affected":[{"platforms":["32-bit Systems","x64-based Systems"],"product":"Windows 10 Version 1607","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.9339","status":"affected","version":"10.0.14393.0","versionType":"custom"}]},{"platforms":["32-bit Systems","x64-based Systems"],"product":"Windows 10 Version 1809","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.9020","status":"affected","version":"10.0.17763.0","versionType":"custom"}]},{"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"],"product":"Windows 10 Version 21H2","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.19044.7548","status":"affected","version":"10.0.19044.0","versionType":"custom"}]},{"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"],"product":"Windows 10 Version 22H2","source":"CNA: 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microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.20348.5386","status":"affected","version":"10.0.20348.0","versionType":"custom"}]},{"platforms":["x64-based Systems"],"product":"Windows Server 2025","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.33158","status":"affected","version":"10.0.26100.0","versionType":"custom"}]},{"platforms":["x64-based Systems"],"product":"Windows Server 2025 (Server Core installation)","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.33158","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}],"cveId":"CVE-2026-58545","cwes":["CWE-284"],"description":"Improper access control in Windows Kernel allows an authorized attacker to bypass a security feature locally.","epss":{"date":"2026-11-10","percentile":0.28871,"score":0.0035},"exploits":[],"kev":null,"metrics":[{"score":5.5,"severity":"medium","source":"CNA: microsoft","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","version":"3.1"}],"modifiedAt":1794350445402,"publishedAt":1784049005509,"references":[{"source":"CNA: microsoft","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58545"}],"remediation":[{"kind":"fix","source":"CNA: microsoft","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58545"}],"revision":"5a26f942ebdd29dccdcf5d4972ce079413b836f1b40e520ed07774495a7afbd3","sources":[{"modifiedAt":1794350445402,"name":"CNA: microsoft","retrievedAt":1794353298679,"url":"https://www.cve.org/CVERecord?id=CVE-2026-58545"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794353305541,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-58545"}],"ssvc":{"assessedAt":1784054033494,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Windows Kernel Security Feature Bypass Vulnerability","updatedAt":1794353305541}