CVE-2025-27735 Windows Virtualization-Based Security (VBS) Security Feature Bypass Vulnerability
An authorized local attacker can bypass Windows Virtualization-Based Security Enclave protections due to insufficient data authenticity verification.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-27735?
CVE-2025-27735 is a medium-severity vulnerability in Microsoft Windows 10 1507, published on 8 Apr 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Insufficient verification of data authenticity in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to bypass a security feature locally.
Weakness: CWE-345
Which versions are affected by CVE-2025-27735?
It affects 13 products.
Products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 22h2 and 7 more.
How do I fix CVE-2025-27735?
No fix has been published for CVE-2025-27735 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-27735 being exploited?
There is no known exploitation of CVE-2025-27735 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10 1507
- CVE-2017-8543 Microsoft Windows Search Remote Code Execution
- CVE-2025-33053 Microsoft Windows External Control of File Name or Path
- CVE-2025-33073 Microsoft Windows SMB Client Improper Access Control
- CVE-2024-49039 Microsoft Windows Task Scheduler Privilege Escalation
- CVE-2024-43461 Microsoft Windows MSHTML Platform Spoofing
Sources
Also known as GHSA-f5m3-pwfc-3wq8.