{"id":"CVE-2026-96909","title":"Heap-based buffer overflow in Windows BitLocker allows an unauthorized attacker to execute code over a network.","summary":"Heap-based buffer overflow in Windows BitLocker allows an unauthorized attacker to execute code over a network.","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-122"],"vendor":"microsoft","product":"windows_11_23h2","affected":["windows_11_23h2 < 10.0.22631.7652","windows_11_24h2 < 10.0.26100.9711","windows_11_25h2 < 10.0.26200.9711","windows_11_26h1 < 10.0.28000.3231","windows_11_26h2 < 10.0.26300.9711","windows_server_2022 < 10.0.20348.5761","windows_server_2025 < 10.0.26100.33650"],"patched":["windows_11_23h2 10.0.22631.7652","windows_11_24h2 10.0.26100.9711","windows_11_25h2 10.0.26200.9711","windows_11_26h1 10.0.28000.3231","windows_11_26h2 10.0.26300.9711","windows_server_2022 10.0.20348.5761","windows_server_2025 10.0.26100.33650"],"published":"2026-10-13","updated":"2026-10-16","sourceUpdated":"2026-10-16T15:02:07.660","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-96909","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96909","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"epss":0.00989,"epssPercentile":0.62326,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-09T00:00:00+00:00"},"ingestedAt":"2026-10-13T19:43:29.274Z","slug":"CVE-2026-96909","body":"## Overview\n\nHeap-based buffer overflow in Windows BitLocker allows an unauthorized attacker to execute code over a network.\n\n## Affected\n\n- `windows_11_23h2 < 10.0.22631.7652`\n- `windows_11_24h2 < 10.0.26100.9711`\n- `windows_11_25h2 < 10.0.26200.9711`\n- `windows_11_26h1 < 10.0.28000.3231`\n- `windows_11_26h2 < 10.0.26300.9711`\n- `windows_server_2022 < 10.0.20348.5761`\n- `windows_server_2025 < 10.0.26100.33650`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `windows_11_23h2 10.0.22631.7652`\n- `windows_11_24h2 10.0.26100.9711`\n- `windows_11_25h2 10.0.26200.9711`\n- `windows_11_26h1 10.0.28000.3231`\n- `windows_11_26h2 10.0.26300.9711`\n- `windows_server_2022 10.0.20348.5761`\n- `windows_server_2025 10.0.26100.33650`","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}