CVE-2026-70097 Windows Virtualization-Based Security (VBS) Enclave Spoofing Vulnerability

Medium 5.6 Published Updated

An authorized local attacker can exploit a race condition in Windows VBS Enclave to perform spoofing, bypassing security controls.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-70097?

CVE-2026-70097 is a medium-severity vulnerability in Microsoft Windows 11 24h2, published on 13 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to perform spoofing locally.

Weakness: CWE-362

Which versions are affected by CVE-2026-70097?

It affects 6 products.

Products include Microsoft Windows 11 24h2, Microsoft Windows 11 25h2, Microsoft Windows 11 26h1, Microsoft Windows 11 26h2, Microsoft Windows Server 2022, Microsoft Windows Server 2025.

How do I fix CVE-2026-70097?

No fix has been published for CVE-2026-70097 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-70097 being exploited?

There is no known exploitation of CVE-2026-70097 in the wild and no public exploit code.

All Microsoft Windows 11 24h2 vulnerabilities

Sources

Also known as GHSA-v7fx-63vf-q5w5.

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