CVEvulnerability

CVE-2022-26923

8.8 HIGH Known exploited Published 2022-05-10 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

Microsoft Active Directory Domain Services Privilege Escalation Vulnerability — Microsoft Active Directory

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.

Added to KEV: 2022-08-18
Remediation due: 2022-09-08
Ransomware use: Unknown
Required action: Apply updates per vendor instructions.
Notes: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-26923; https://nvd.nist.gov/vuln/detail/CVE-2022-26923

Status: Analyzed
Published: 2022-05-10
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected]): 9.0 HIGH — AV:N/AC:L/Au:S/C:C/I:C/A:C
Weaknesses: CWE-295

Description

Active Directory Domain Services Elevation of Privilege Vulnerability

Affected configurations

• microsoft windows 10 1507 (< 10.0.10240.19297) • microsoft windows 10 1607 (< 10.0.14393.5850) • microsoft windows 10 1809 (< 10.0.17763.4252) • microsoft windows 10 1909 (< 10.0.18363.2274) • microsoft windows 10 20h2 (< 10.0.19042.1706) • microsoft windows 10 21h1 (< 10.0.19043.1706) • microsoft windows 10 21h2 (< 10.0.19044.1706) • microsoft windows 11 21h2 (< 10.0.22000.1817) • microsoft windows 8.1 • microsoft windows rt 8.1 • microsoft windows server 2012 r2 • microsoft windows server 2016 (< 10.0.14393.5850) • microsoft windows server 2019 (< 10.0.17763.4252) • microsoft windows server 2022 (< 10.0.20348.1668)

Weakness · CWE (1)

CWE-295 Improper Certificate Validation weakness

References