Vulnerability identifier: #VU62952

Vulnerability risk: Medium

CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2022-26923

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

Description

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in Active Directory Domain Services, which leads to security restrictions bypass and privilege escalation.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows: 10 1809 10.0.17763.1, 10 1909 10.0.18363.476, 10 21H1 10.0.19043.985, 10 20H2 10.0.19042.572, 11 21H2 10.0.22000.194, 10 1607 10.0.14393.10, 8.1 - 8.1 RT, 10 21H2 10.0.19044.1288, 10 1507 10.0.10240.16405, 10 2004 10.0.19041.264, 10 1903 10.0.18362.116, 10 1803 10.0.17134.48, 10 1709 10.0.16299.19, 10 1703 10.0.15063.138, 10 1511 10.0.10586.3

Windows Server: 2012 R2 - 2022 10.0.20348.202

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26923

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.