CVE-2026-20814
Unknown Unknown - Not Provided
Race Condition in Graphics Kernel Enables Local Privilege Escalation

Publication date: 2026-01-13

Last updated on: 2026-01-13

Assigner: Microsoft Corporation

Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Graphics Kernel 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-2026-20814
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft graphics_kernel *
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-362 The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
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Executive Summary

This vulnerability is a race condition in the Graphics Kernel caused by concurrent execution using a shared resource without proper synchronization. It allows an authorized attacker to elevate their privileges locally on the affected system. [1]

Impact Analysis

An attacker who already has some level of access to the system can exploit this vulnerability to gain higher privileges, potentially allowing them to perform unauthorized actions or access sensitive information. [1]

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