CVE-2026-33828
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Windows Attestation Privilege Escalation Vulnerability

Publication date: 2026-06-09

Last updated on: 2026-06-09

Assigner: Microsoft Corporation

Description
Trust boundary violation in Windows Attestation allows an authorized attacker to elevate privileges locally.
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Meta Information
Published
2026-06-09
Last Modified
2026-06-09
Generated
2026-06-10
AI Q&A
2026-06-09
EPSS Evaluated
N/A
NVD
EUVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft windows_attestation *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-501 The product mixes trusted and untrusted data in the same data structure or structured message.
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Executive Summary

This vulnerability is a trust boundary violation in Windows Attestation that allows an authorized attacker to elevate their privileges locally.

Impact Analysis

The vulnerability can lead to an elevation of privilege, meaning an attacker with some level of access can gain higher privileges on the affected system.

This can result in critical impacts including full control over the system, compromising confidentiality, integrity, and availability.

Mitigation Strategies

The vulnerability allows an authorized attacker to elevate privileges locally due to a trust boundary violation in Windows Attestation.

To mitigate this vulnerability, it is recommended to apply the security updates provided by Microsoft as detailed in their official update guide.

Ensure that all Windows systems using Windows Attestation are updated to the latest security patches to prevent exploitation.

Compliance Impact

This vulnerability allows an authorized attacker to elevate privileges locally by exploiting a trust boundary violation in Windows Attestation.

Elevation of privilege vulnerabilities can potentially lead to unauthorized access to sensitive data or systems, which may impact compliance with standards and regulations such as GDPR and HIPAA that require strict access controls and protection of personal or health information.

However, the provided information does not specify direct effects or assessments related to compliance with these standards.

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