CVE-2022-26923
Microsoft Active Directory Domain Services Privilege Escalation Vulnerability
Microsoft Active Directory
Active Directory Domain Services Elevation of Privilege Vulnerability
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 18 August 2022. US federal agencies were required to remediate it by 8 September 2022.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 83.5%, which is higher than 99.7% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Frequently asked questions
Is CVE-2022-26923 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2022-26923.
What does CVE-2022-26923 affect?
CVE-2022-26923 affects Microsoft Active Directory. Active Directory Domain Services Elevation of Privilege Vulnerability
How severe is CVE-2022-26923?
CVE-2022-26923 is rated HIGH with a CVSS base score of 8.8. EPSS puts the probability of exploitation in the next 30 days at 83.5%, higher than 99.7% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 8 September 2022.
How should organisations respond to CVE-2022-26923?
Apply the vendor patch for Microsoft Active Directory as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.