Vulnerability identifier: #VU66281
Vulnerability risk: Low
CVSSv3.1: 5.2 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-254
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Windows
Operating systems & Components /
Operating system
Windows Server
Operating systems & Components /
Operating system
Vendor: Microsoft
Description
The vulnerability allows a local user to bypass authentication process.
The vulnerability exists due to security feature bypass issue in Windows Defender Credential Guard. A local administrator can bypass Kerberos protection used by Defender Credential Guard.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Windows: 10 - 10 S, 11 - 11 21H2, 7 - 7 SP1, 8.1 - 8.1 RT, 8 - 8 RT, 2000, XP, Vista
Windows Server: 2003 - 2022 20H2
External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-34709
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.