{"id":"CVE-2026-83516","title":"Out-of-bounds read in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.","summary":"Out-of-bounds read in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-125"],"published":"2026-10-13","updated":"2026-10-13","sourceUpdated":"2026-10-13T21:18:24.453","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-83516","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83516","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-13T19:43:29.062Z","vendor":"Microsoft","product":"Windows 10 Version 1809","affected":["windows_10_version_1809 >= 10.0.17763.0 < 10.0.17763.9376","windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.9711","windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.9711","windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.3231","windows_11_version_26h2 >= 10.0.26300.0 < 10.0.26300.9711","windows_server_2019 >= 10.0.17763.0 < 10.0.17763.9376","windows_server_2019_server_core_installation >= 10.0.17763.0 < 10.0.17763.9376","windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5761","windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33650","windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.33650"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-13T20:41:06.869080Z"},"epss":0.01359,"epssPercentile":0.71545,"slug":"CVE-2026-83516","body":"## Overview\n\nOut-of-bounds read in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":41.3,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}