CVE-2025-47969: Windows Virtualization-Based Security (VBS) Information Disclosure Vulnerability

Severity: medium (CVSS 4.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-06-10 · updated 2026-06-17
Weakness: CWE-200

Description

Exposure of sensitive information to an unauthorized actor in Windows Hello allows an authorized attacker to disclose information locally.

Affected products

Microsoft Windows 11: before 10.0.22621.5335 — fixed in 10.0.22621.5335
Microsoft Windows 11: before 10.0.22621.5335 — fixed in 10.0.22621.5335
Microsoft Windows 11: before 10.0.26100.3981 — fixed in 10.0.26100.3981
Microsoft Windows Server 2025: before 10.0.26100.3981 — fixed in 10.0.26100.3981
Microsoft Windows 11: from 10.0.22621.0 before 10.0.22621.5335 — fixed in 10.0.22621.5335
Microsoft Windows 11 version 22H3: from 10.0.22631.0 before 10.0.22621.5335 — fixed in 10.0.22621.5335
Microsoft Windows 11: from 10.0.22631.0 before 10.0.22621.5335 — fixed in 10.0.22621.5335
Microsoft Windows 11: from 10.0.26100.0 before 10.0.26100.4061 — fixed in 10.0.26100.4061
Microsoft Windows Server 2025: from 10.0.26100.0 before 10.0.26100.4061 — fixed in 10.0.26100.4061

How to fix

Upgrade to a fixed version: Microsoft Windows 11 10.0.22621.5335; Microsoft Windows 11 10.0.22621.5335; Microsoft Windows 11 10.0.26100.3981; Microsoft Windows Server 2025 10.0.26100.3981; Microsoft Windows 11 10.0.22621.5335; Microsoft Windows 11 version 22H3 10.0.22621.5335; Microsoft Windows 11 10.0.22621.5335; Microsoft Windows 11 10.0.26100.4061; Microsoft Windows Server 2025 10.0.26100.4061. Check the vendor advisory for mitigations.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47969

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