CVE-2026-20819
Unknown Unknown - Not Provided
Untrusted Pointer Dereference in Windows VBS Enclave Causes Local Data Disclosure

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 disclose information locally.
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Meta Information
Published
2026-01-13
Last Modified
2026-01-13
Generated
2026-05-07
AI Q&A
2026-01-14
EPSS Evaluated
2026-05-05
NVD
CVE-2026-20819
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft windows_virtualization_based_security *
Helpful Resources
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.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is an untrusted pointer dereference in the Windows Virtualization-Based Security (VBS) Enclave, which allows an authorized attacker to disclose information locally. [1]


How can this vulnerability impact me? :

The vulnerability can lead to information disclosure by an authorized attacker on the local system, potentially exposing sensitive data. [1]


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