CVE-2026-20819
MEDIUMCVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
2Description
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to disclose information locally.
Analysis
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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Remediation
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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External POC / Exploit Code
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