{"id":"CVE-2021-36942","title":"Windows LSA Spoofing Vulnerability","summary":"Windows LSA Spoofing Vulnerability","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","vendor":"microsoft","product":"windows_server_2004","affected":["windows_server_2004 < 10.0.19041.1165","windows_server_2008","windows_server_2008 = r2","windows_server_2012","windows_server_2012 = r2","windows_server_2016 < 10.0.14393.4583","windows_server_2019 < 10.0.17763.2114","windows_server_20h2 < 10.0.19042.1165"],"patched":["windows_server_2004 10.0.19041.1165","windows_server_2016 10.0.14393.4583","windows_server_2019 10.0.17763.2114","windows_server_20h2 10.0.19042.1165"],"published":"2021-08-12","updated":"2026-08-10","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-36942","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36942","label":"secure@microsoft.com"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36942","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.kb.cert.org/vuls/id/405600","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-36942","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","kev","in-the-wild","exploit-available"],"epss":0.66023,"epssPercentile":0.99241,"kev":true,"kevDateAdded":"2021-11-03","kevDueDate":"2021-11-17","kevRansomware":true,"exploited":true,"ingestedAt":"2026-08-11T16:47:01.137Z","exploits":{"metasploit":["auxiliary/scanner/dcerpc/petitpotam"],"checkedAt":"2026-09-24T07:52:48.166Z"},"exploitAvailable":true,"slug":"CVE-2021-36942","body":"## Overview\n\nWindows LSA Spoofing Vulnerability\n\n## Affected\n\n- `windows_server_2004 < 10.0.19041.1165`\n- `windows_server_2008`\n- `windows_server_2008 = r2`\n- `windows_server_2012`\n- `windows_server_2012 = r2`\n- `windows_server_2016 < 10.0.14393.4583`\n- `windows_server_2019 < 10.0.17763.2114`\n- `windows_server_20h2 < 10.0.19042.1165`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `windows_server_2004 10.0.19041.1165`\n- `windows_server_2016 10.0.14393.4583`\n- `windows_server_2019 10.0.17763.2114`\n- `windows_server_20h2 10.0.19042.1165`","depth":"abyssal","depthScore":84,"depthScoreParts":{"impact":41.3,"likelihood":13.2,"exploitation":25,"ransomware":5},"changes":[{"seq":4531,"id":"CVE-2021-36942","ts":1788887188046,"field":"exploit_available","old":"false","new":"true"},{"seq":3414,"id":"CVE-2021-36942","ts":1788886305698,"field":"exploit_available","old":"true","new":"false"},{"seq":2269,"id":"CVE-2021-36942","ts":1788882975187,"field":"exploit_available","old":"false","new":"true"},{"seq":1298,"id":"CVE-2021-36942","ts":1788882386999,"field":"exploit_available","old":"true","new":"false"},{"seq":412,"id":"CVE-2021-36942","ts":1788881822853,"field":"exploit_available","old":"false","new":"true"}]}