CVE-2026-20965
Unknown Unknown - Not Provided
Cryptographic Signature Bypass in Windows Admin Center Elevates Privileges

Publication date: 2026-01-13

Last updated on: 2026-01-13

Assigner: Microsoft Corporation

Description
Improper verification of cryptographic signature in Windows Admin Center 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-2026-20965
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft windows_admin_center *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-347 The product does not verify, or incorrectly verifies, the cryptographic signature for data.
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Executive Summary

This vulnerability is caused by improper verification of a cryptographic signature in Windows Admin Center, which allows an authorized attacker to elevate their privileges locally on the affected system. [1]

Impact Analysis

An attacker who is already authorized on the system can exploit this vulnerability to gain higher privileges than intended, potentially allowing them to perform actions that require elevated permissions, which can lead to significant security risks including full system compromise. [1]

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