CVE-2026-68874

Analyzed Analyzed - Analysis Complete

Out-of-Bounds Read in Windows Program Compatibility Assistant Service

Publication date: 2026-09-08

Last updated on: 2026-09-24

Assigner: Microsoft Corporation

Description

Out-of-bounds read in Windows Program Compatibility Assistant Service allows an authorized attacker to disclose information over a network.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-08

Last Modified

2026-09-24

Generated

2026-09-29

AI Q&A

2026-09-10

EPSS Evaluated

2026-09-27

NVD

CVE-2026-68874

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_program_compatibility_assistant_service	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This is an out-of-bounds read vulnerability in the Windows Program Compatibility Assistant Service. It allows an authorized attacker to read memory outside the intended buffer over a network, potentially disclosing sensitive information.

Impact Analysis

An attacker could exploit this to access confidential data on your system, such as passwords or personal files, if they have network access and valid credentials. This could lead to data breaches or unauthorized information disclosure.

Compliance Impact

This vulnerability could result in unauthorized data exposure, violating GDPR's data protection requirements or HIPAA's safeguards for protected health information. Organizations may face compliance penalties if exploited.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Windows Program Compatibility Assistant Service. Ensure network segmentation and restrict unauthorized access to services.

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