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Description

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

PUBLISHED Reserved 2025-12-04 | Published 2026-01-13 | Updated 2026-02-22 | Assigner microsoft




MEDIUM: 6.2CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Problem types

CWE-822: Untrusted Pointer Dereference

Product status

10.0.22631.0 (custom) before 10.0.22631.6491
affected

10.0.22631.0 (custom) before 10.0.22631.6491
affected

10.0.26100.0 (custom) before 10.0.26100.7623
affected

10.0.26200.0 (custom) before 10.0.26200.7623
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20935 (Windows Virtualization-Based Security (VBS) Information Disclosure Vulnerability) vendor-advisory patch

cve.org (CVE-2026-20935)

nvd.nist.gov (CVE-2026-20935)

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