{"id":"CVE-2026-72936","title":"Use after free in Windows SMB Client allows an unauthorized attacker to execute code over a network.","summary":"Use after free in Windows SMB Client allows an unauthorized attacker to execute code over a network.","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-416"],"vendor":"Microsoft","product":"Windows 11 version 23H2","affected":["windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7582","windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7582","windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.9445","windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.9445","windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.2954","windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5622","windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33438","windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.33438"],"published":"2026-09-08","updated":"2026-09-09","sourceUpdated":"2026-09-09T10:20:58.290","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-72936","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72936","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-09T04:19:03.258638Z"},"ingestedAt":"2026-09-08T19:08:49.624Z","epss":0.00649,"epssPercentile":0.4932,"slug":"CVE-2026-72936","body":"## Overview\n\nUse after free in Windows SMB Client allows an unauthorized attacker to execute code over a network.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}