Remote code execution in Microsoft Management Console

1) Input validation error

EUVDB-ID: #VU105518

Risk: Critical

CVSSv4.0: 7.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2025-26633

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input in Microsoft Management Console. A remote attacker can trick the victim into opening a specially crafted file and execute arbitrary code on the target system.

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 21H2 10.0.19041.3920 - 11 24H2 10.0.26100.3194

Windows Server: 2008 R2 SP1 - 2025 10.0.26100.3194

CPE2.3

• cpe:2.3:o:microsoft:windows:10_21H2:10.0.19044.5487:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10_22H2:10.0.19045.5487:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10_1507:10.0.10240.20915:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10_1607:10.0.14393.7785:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10_1809:10.0.17763.6893:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:11_22H2:10.0.22621.4890:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:11_23H2:10.0.22631.4890:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:11_24H2:10.0.26100.3194:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2008:6.0.6003.23117:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2012:6.2.9200.25317:*:*:*:*:*:*

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-26633
https://www.zerodayinitiative.com/advisories/ZDI-25-150/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.