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Unrated severityNVD Advisory· Published Jan 13, 2026· Updated Apr 1, 2026

Windows Virtualization-Based Security (VBS) Information Disclosure Vulnerability

CVE-2026-20819

Description

Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to disclose information locally.

Affected products

5

Microsoft/Windows Virtualization-Based Security (VBS) Enclavellm-fuzzy
Microsoft/Windows 11 version 22H3v5
Range: 10.0.22631.0
Microsoft/Windows 11 Version 23H2v5
Range: 10.0.22631.0
Microsoft/Windows 11 Version 24H2v5
Range: 10.0.26100.0
Microsoft/Windows 11 Version 25H2v5
Range: 10.0.26200.0

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20819mitrevendor-advisorypatch

News mentions

0

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