CVE-2026-69733
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Untrusted Search Path in Windows Update Elevates Privileges

Publication date: 2026-10-13

Last updated on: 2026-10-13

Assigner: Microsoft Corporation

Description
Untrusted search path in Windows Update allows an authorized attacker to elevate privileges locally.

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Meta Information

Published
2026-10-13
Last Modified
2026-10-13
Generated
2026-10-19
AI Q&A
2026-10-14
EPSS Evaluated
2026-10-18
NVD
CVE-2026-69733
EUVD
EUVD-2026-99890

Affected Vendors & Products

Showing 8 associated CPEs
Vendor Product Version / Range
Microsoft Windows 11 version 23H2 10.0.22631.0
Microsoft Windows 11 Version 23H2 10.0.22631.0
Microsoft Windows 11 Version 24H2 10.0.26100.0
Microsoft Windows 11 Version 25H2 10.0.26200.0
Microsoft Windows 11 version 26H1 10.0.28000.0
Microsoft Windows 11 Version 26H2 10.0.26300.0
Microsoft Windows Server 2025 10.0.26100.0
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-426 The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control.

Attack-Flow Graph

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Executive Summary

This vulnerability is an elevation of privilege issue in Windows Update caused by an untrusted search path. An authorized attacker with local access could exploit this to gain higher privileges on the system.

Impact Analysis

If exploited, this vulnerability could allow an attacker to gain elevated privileges on your system, potentially leading to unauthorized access, data theft, or installation of malicious software.

Mitigation Strategies

Apply the latest Windows Update patches immediately to address the untrusted search path vulnerability. Monitor Microsoft's security advisories for updates and ensure all systems are updated to the latest version.

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