Windows
CVE-2026-20938
HIGH
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.
AnalysisAI
Windows Virtualization-Based Security (VBS) Enclave contains an untrusted pointer dereference vulnerability that allows authenticated local users to achieve privilege escalation. The vulnerability affects Windows 11 versions 23h2, 24h2, and 25h2, and currently has no available patch. An attacker with local access can exploit this memory safety flaw to gain elevated system privileges.
Technical ContextAI
Affects Windows 11 23H2. Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.
RemediationAI
Monitor vendor advisories for a patch.
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Same weakness CWE-822 – Untrusted Pointer Dereference
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External POC / Exploit Code
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