Vulnerability Details : CVE-2022-26923
Public exploit exists!
Active Directory Domain Services Elevation of Privilege Vulnerability
Vulnerability category: Gain privilege
Products affected by CVE-2022-26923
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:*
CVE-2022-26923 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Microsoft Active Directory Domain Services Privilege Escalation Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
An authenticated user could manipulate attributes on computer accounts they own or manage, and acquire a certificate from Active Directory Certificate Services that would allow for privilege escalation to SYSTEM.
Notes:
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-26923; https://nvd.nist.gov/vuln/detail/CVE-2022-26923
Added on
2022-08-18
Action due date
2022-09-08
Exploit prediction scoring system (EPSS) score for CVE-2022-26923
1.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 85 %
Percentile, the proportion of vulnerabilities that are scored at or less
Metasploit modules for CVE-2022-26923
-
Active Directory Certificate Services (ADCS) privilege escalation (Certifried)
First seen: 2023-09-11auxiliary/admin/dcerpc/cve_2022_26923_certifriedThis module exploits a privilege escalation vulnerability in Active Directory Certificate Services (ADCS) to generate a valid certificate impersonating the Domain Controller (DC) computer account. This certificate is then used to authenticate to the target as
CVSS scores for CVE-2022-26923
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
9.0
|
HIGH | AV:N/AC:L/Au:S/C:C/I:C/A:C |
8.0
|
10.0
|
NIST | |
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
Microsoft Corporation |
CWE ids for CVE-2022-26923
-
The product does not validate, or incorrectly validates, a certificate.Assigned by:
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2022-26923
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26923
CVE-2022-26923 - Security Update Guide - Microsoft - Active Directory Domain Services Elevation of Privilege VulnerabilityPatch;Vendor Advisory
-
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26923
CVE-2022-26923 - Security Update Guide - Microsoft - Active Directory Domain Services Elevation of Privilege Vulnerability
Jump to