Man-in-the-Middle (MitM) attack in Windows and Windows Server - CVE-2022-26925
Published: May 10, 2022
Vulnerability identifier: #VU62921
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2022-26925
CWE-ID: CWE-300
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists within the Windows LSA service. A remote attacker can call a method on the LSARPC interface and coerce the domain controller to authenticate to the attacker using NTLM. As a result, an attacker can obtain credentials and compromise the affected system via the NTLM Relay Attack.
Note, the vulnerability is being actively exploited in the wild.
How to mitigate CVE-2022-26925
Install updates from vendor's website.