CVE-2026-69267

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Insufficient Access Control in Windows Connected User Experiences and Telemetry

Publication date: 2026-09-08

Last updated on: 2026-09-08

Assigner: Microsoft Corporation

Description

Insufficient granularity of access control in Windows Connected User Experiences and Telemetry allows an authorized attacker to disclose information locally.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-08

Last Modified

2026-09-08

Generated

2026-09-29

AI Q&A

2026-09-09

EPSS Evaluated

2026-09-27

NVD

CVE-2026-69267

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_connected_user_experiences_and_telemetry	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-1220	The product implements access controls via a policy or other feature with the intention to disable or restrict accesses (reads and/or writes) to assets in a system from untrusted agents. However, implemented access controls lack required granularity, which renders the control policy too broad because it allows accesses from unauthorized agents to the security-sensitive assets.

Attack-Flow Graph

Executive Summary

This vulnerability involves insufficient granularity in access control within Windows Connected User Experiences and Telemetry. An authorized attacker could exploit this to disclose information locally on the affected system.

Impact Analysis

An attacker with local access could exploit this to read sensitive information stored or processed by the Windows Connected User Experiences and Telemetry service, potentially leading to data leaks or unauthorized access to confidential data.

Compliance Impact

This vulnerability could lead to unauthorized disclosure of personal or sensitive data, which may violate compliance requirements under GDPR, HIPAA, or other regulations that mandate strict access controls and data protection measures.

Mitigation Strategies

Disable the Windows Connected User Experiences and Telemetry service if not required. Restrict local access permissions for affected users. Apply Microsoft security updates as soon as available.

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