Actively exploited · Published May 10, 2022 · Assigned by microsoft
CVE-2022-26923Active Directory Domain Services Elevation of Privilege Vulnerability
High 8.8 Exploited
In plain English
A high-severity improper certificate validation in Windows 10 Version 1507 from Microsoft. Attackers are actively exploiting it in the wild (listed by CISA on August 18, 2022). The chance it is exploited in the next 30 days is estimated at 83.5% (higher than 99.7% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, public proof-of-concept code. Apply updates per vendor instructions.
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)83.5%top 0.3% of all CVEs
Exploited in the wildYesCISA KEV since Aug 18, 2022
Attack tooling2Metasploit, Public PoC
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by Sep 8, 2022.
Official description
Active Directory Domain Services Elevation of Privilege Vulnerability
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 – before 10.0.17763.4252 |
| Microsoft | Windows 10 Version 1809 | 10.0.0 – before 10.0.17763.4252 |
| Microsoft | Windows Server 2019 | 10.0.17763.0 – before 10.0.17763.4252 |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 – before 10.0.17763.4252 |
| Microsoft | Windows 10 Version 1909 | 10.0.0 – before 10.0.18363.2274 |
| Microsoft | Windows 10 Version 21H1 | 10.0.0 – before 10.0.19043.1706 |
| Microsoft | Windows Server 2022 | 10.0.20348.0 – before 10.0.20348.1668 |
| Microsoft | Windows 10 Version 20H2 | 10.0.0 – before 10.0.19042.1706 |
| Microsoft | Windows Server version 20H2 | 10.0.0 – before 10.0.19042.1706 |
| Microsoft | Windows 11 version 21H2 | 10.0.0 – before 10.0.22000.1817 |
| Microsoft | Windows 10 Version 21H2 | 10.0.19043.0 – before 10.0.19043.1706 |
| Microsoft | Windows 10 Version 1507 | 10.0.10240.0 – before 10.0.10240.19297 |
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0 – before 10.0.14393.5850 |
| Microsoft | Windows Server 2016 | 10.0.14393.0 – before 10.0.14393.5850 |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 – before 10.0.14393.5850 |
| Microsoft | Windows 8.1 | 6.3.0 – before 6.3.9600.20371 |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 – before 6.3.9600.20919 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 – before 6.3.9600.20919 |
Weakness: CWE-295 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Active Directory Domain Services Elevation of Privilege Vulnerability vendor-advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26923 x_refsource_MISC, x_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26923 government-resource