CVE-2026-20938
Unknown Unknown - Not Provided
Untrusted Pointer Dereference in Windows VBS Enclave Elevates Privileges

Publication date: 2026-01-13

Last updated on: 2026-01-13

Assigner: Microsoft Corporation

Description
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.
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Meta Information
Published
2026-01-13
Last Modified
2026-01-13
Generated
2026-06-16
AI Q&A
2026-01-14
EPSS Evaluated
2026-06-15
NVD
CVE-2026-20938
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft windows_virtualization_based_security *
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-822 The product obtains a value from an untrusted source, converts this value to a pointer, and dereferences the resulting pointer.
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Executive Summary

This vulnerability is an untrusted pointer dereference in the Windows Virtualization-Based Security (VBS) Enclave. It allows an authorized attacker to locally elevate their privileges by exploiting this flaw. [1]

Impact Analysis

The vulnerability can impact you by allowing an authorized attacker to elevate their privileges on the affected system. This means the attacker could gain higher-level access than intended, potentially compromising system security and control. [1]

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