{"affected":[{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 version 26H1","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.28000.2525","status":"affected","version":"10.0.28000.0","versionType":"custom"}]}],"cveId":"CVE-2026-58634","cwes":["CWE-416"],"description":"Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.","epss":{"date":"2026-11-10","percentile":0.26881,"score":0.00333},"exploits":[],"kev":null,"metrics":[{"score":7.8,"severity":"high","source":"CNA: microsoft","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","version":"3.1"}],"modifiedAt":1794350456486,"publishedAt":1784049015507,"references":[{"source":"CNA: microsoft","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58634"}],"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-2026-58634"}],"revision":"6cd64ac50ca6c2bd76faa8dda1753f7ab646c385edcc67b4598b611540a8e63f","sources":[{"modifiedAt":1794350456486,"name":"CNA: microsoft","retrievedAt":1794353334242,"url":"https://www.cve.org/CVERecord?id=CVE-2026-58634"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794353366273,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-58634"}],"ssvc":{"assessedAt":1784051324011,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"Desktop Window Manager Elevation of Privilege Vulnerability","updatedAt":1794353366273}