Denial of service in Microsoft Windows Virtual Trusted Platform Module

1) Input validation error

EUVDB-ID: #VU102666

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-21280

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in Windows Virtual Trusted Platform Module. A local user can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 21H2 10.0.19041.3920 - 11 24H2 10.0.26100.2894

Windows Server: 2016 10.0.14393.10 - 2025 10.0.26100.2605

CPE2.3

• cpe:2.3:o:microsoft:windows:10_21H2:10.0.19044.5247:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10_22H2:10.0.19045.5247:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10_1507:10.0.10240.20857:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10_1607:10.0.14393.7606:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10_1809:10.0.17763.6659:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:11_22H2:10.0.22621.4602:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:11_23H2:10.0.22631.4602:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:11_24H2:10.0.26100.2894:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2016:10.0.14393.7699:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2022_23H2:10.0.25398.1308:*:*:*:*:*:*

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-21280

Q & A

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.