CVE-2026-96183

Analyzed Analyzed - Analysis Complete

Windows Health Service Missing Authentication Vulnerability

Publication date: 2026-10-13

Last updated on: 2026-10-16

Assigner: Microsoft Corporation

Description

Missing authentication for critical function in Windows Health and Optimized Experiences Service allows an authorized attacker to disclose information locally.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-10-13

Last Modified

2026-10-16

Generated

2026-10-19

AI Q&A

2026-10-14

EPSS Evaluated

2026-10-18

NVD

CVE-2026-96183

EUVD

EUVD-2026-99051

Affected Vendors & Products

Vendor	Product	Version / Range
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)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-306	The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

Executive Summary

This vulnerability is a missing authentication issue in the Windows Health and Optimized Experiences Service. It allows an authorized attacker to access sensitive information locally without proper authentication.

Impact Analysis

An attacker could exploit this to disclose confidential information stored on your system. Since it requires local access, physical or network access to the device is needed.

Compliance Impact

This vulnerability allows local information disclosure due to missing authentication in a critical Windows service. For GDPR, it could lead to unauthorized access to personal data, violating confidentiality requirements. For HIPAA, it may expose protected health information if the service handles such data, compromising security controls.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Windows Health and Optimized Experiences Service. Ensure the service is configured to require authentication for critical functions.

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