Windows CVE-2026-20819
MEDIUMCVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
2DescriptionNVD
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to disclose information locally.
AnalysisAI
Improper pointer validation in Windows VBS Enclave allows authenticated local users to read sensitive information on Windows 11 systems across multiple versions. An attacker with local access and valid credentials can exploit this memory safety flaw to bypass enclave protections and disclose confidential data. …
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RemediationAI
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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