{"id":"CVE-2022-26923","published":"2022-05-10T21:15:10Z","modified":"2026-06-17T04:36:07Z","title":"Microsoft Active Directory Domain Services Privilege Escalation Vulnerability","vendor":"Microsoft","product":"Active Directory","tier":"core","eol":null,"description":{"text":"Active Directory Domain Services Elevation of Privilege Vulnerability","provenance":"source","from":"NVD"},"summary":{"text":"A flaw in Microsoft Active Directory Domain Services allows privilege escalation, and it is tied to improper certificate validation. 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https://nvd.nist.gov/vuln/detail/CVE-2022-26923","provenance":"source"},"vulncheckKev":{"dateAdded":"2022-08-18","exploitedFirstSeen":"2022-08-18","ransomware":true,"evidence":[{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2022-08-18"},{"url":"https://www.group-ib.com/resources/research-hub/hi-tech-crime-trends-2022/","date":"2023-01-17"},{"url":"https://www.ibm.com/downloads/cas/L0GKXDWJ","date":"2024-02-22"},{"url":"https://www.rapid7.com/blog/post/2024/08/12/ongoing-social-engineering-campaign-refreshes-payloads/","date":"2024-08-12"},{"url":"https://unit42.paloaltonetworks.com/active-directory-certificate-services-exploitation/","date":"2026-05-11"},{"url":"https://www.levelblue.com/blogs/spiderlabs-blog/levelblue-ttp-briefing-q3-2026-trusted-access-fuels-data-theft","date":"2026-10-28"}],"evidenceTotal":6,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 29, 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Escalation","tactics":["privilege-escalation"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: EoP vulnerability exploited for privilege escalation","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"Active Directory Domain Services Elevation of Privilege Vulnerability","start":0,"end":69}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1078","name":"Valid Accounts","tactics":["initial-access","persistence","privilege-escalation","stealth"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Escalation yields valid privileged domain account access","mappingType":"primary_impact","evidence":[{"from":"description","quote":"Active Directory Domain Services Elevation of Privilege 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expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2022-31469","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-31469","exploited":true,"exploitedSince":"2022-08-18","provenance":"source"},"exploits":[],"exploitSources":{"pocGithub":{"count":8,"skipped":1,"earliest":"2022-05-12","earliestUrl":"https://github.com/r1skkam/TryHackMe-CVE-2022-26923","repos":[{"name":"evilashz/PIGADVulnScanner","url":"https://github.com/evilashz/PIGADVulnScanner","stars":81,"created":"2023-10-17"},{"name":"LudovicPatho/CVE-2022-26923_AD-Certificate-Services","url":"https://github.com/LudovicPatho/CVE-2022-26923_AD-Certificate-Services","stars":41,"created":"2022-05-14"},{"name":"lsecqt/CVE-2022-26923-Powershell-POC","url":"https://github.com/lsecqt/CVE-2022-26923-Powershell-POC","stars":17,"created":"2022-08-17"},{"name":"r1skkam/TryHackMe-CVE-2022-26923","url":"https://github.com/r1skkam/TryHackMe-CVE-2022-26923","stars":6,"created":"2022-05-12"},{"name":"Gh-Badr/CVE-2022-26923","url":"https://github.com/Gh-Badr/CVE-2022-26923","stars":2,"created":"2023-11-28"}]},"metasploit":[{"name":"Active 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