CVE-2022-26923 vulnerability in Microsoft Products
Published on May 10, 2022


Known Exploited Vulnerability
This Microsoft Active Directory Domain Services Privilege Escalation Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. 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.
The following remediation steps are recommended / required by September 8, 2022: Apply updates per vendor instructions.
Vulnerability Analysis
Improper Certificate Validation
The software does not validate, or incorrectly validates, a certificate. When a certificate is invalid or malicious, it might allow an attacker to spoof a trusted entity by interfering in the communication path between the host and client. The software might connect to a malicious host while believing it is a trusted host, or the software might be deceived into accepting spoofed data that appears to originate from a trusted host.
Products Associated with CVE-2022-26923
You can be notified by stack.watch whenever vulnerabilities like CVE-2022-26923 are published in these products:
What versions are vulnerable to CVE-2022-26923?
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Microsoft Windows Server 2012 Version r2
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Microsoft Windows 8.1 Version -
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Microsoft Windows Rt 8 1 Version -
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Microsoft Windows 10 1909 Fixed in Version 10.0.18363.2274
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Microsoft Windows 10 21h1 Fixed in Version 10.0.19043.1706
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Microsoft Windows 10 20h2 Fixed in Version 10.0.19042.1706
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Microsoft Windows 10 21h2 Fixed in Version 10.0.19044.1706
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Microsoft Windows 11 21h2 Fixed in Version 10.0.22000.1817
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Microsoft Windows 10 1809 Fixed in Version 10.0.17763.4252
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Microsoft Windows 10 1607 Fixed in Version 10.0.14393.5850
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Microsoft Windows Server 2022 Fixed in Version 10.0.20348.1668
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Microsoft Windows 10 1507 Fixed in Version 10.0.10240.19297
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Microsoft Windows Server 2016 Fixed in Version 10.0.14393.5850
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Microsoft Windows Server 2019 Fixed in Version 10.0.17763.4252