CVE-2026-69882

Analyzed Analyzed - Analysis Complete

Untrusted Search Path in Windows Update Allows Privilege Escalation

Publication date: 2026-10-13

Last updated on: 2026-10-19

Assigner: Microsoft Corporation

Description

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

CVSS Scores

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Meta Information

Published

2026-10-13

Last Modified

2026-10-19

Generated

2026-11-08

AI Q&A

2026-10-14

EPSS Evaluated

2026-11-07

NVD

CVE-2026-69882

EUVD

EUVD-2026-99290

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_11_23h2	to 10.0.22631.7652 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7652 (exc)
microsoft	windows_11_24h2	to 10.0.26100.9711 (exc)
microsoft	windows_11_24h2	to 10.0.26100.9711 (exc)
microsoft	windows_11_25h2	to 10.0.26200.9711 (exc)
microsoft	windows_11_25h2	to 10.0.26200.9711 (exc)
microsoft	windows_11_26h1	to 10.0.28000.3231 (exc)
microsoft	windows_11_26h1	to 10.0.28000.3231 (exc)
microsoft	windows_11_26h2	to 10.0.26300.9711 (exc)
microsoft	windows_11_26h2	to 10.0.26300.9711 (exc)
microsoft	windows_server_2025	to 10.0.26100.33650 (exc)

Helpful Resources

Exploitability

CWE

KEV

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

Executive Summary

This vulnerability involves an untrusted search path in Windows Update. An authorized attacker with local access can exploit this to elevate their privileges on the system.

Impact Analysis

An attacker could gain higher-level permissions on your system, allowing them to install programs, view or delete data, or create new accounts with full user rights.

Compliance Impact

This vulnerability allows local privilege escalation through Windows Update, which could enable unauthorized access to sensitive systems. This may impact compliance by potentially exposing personal or health data, violating confidentiality requirements in GDPR or HIPAA if exploited.

Mitigation Strategies

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

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