CVE-2026-69808

Analyzed Analyzed - Analysis Complete

Out-of-Bounds Read in Windows Win32K

Publication date: 2026-09-08

Last updated on: 2026-09-24

Assigner: Microsoft Corporation

Description

Out-of-bounds read in Windows Win32K allows an authorized attacker to disclose information locally.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-09-08

Last Modified

2026-09-24

Generated

2026-09-29

AI Q&A

2026-09-09

EPSS Evaluated

2026-09-27

NVD

CVE-2026-69808

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows	------*

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 Windows Win32K. It allows an authorized attacker to read memory outside intended boundaries, potentially exposing sensitive information on the local system.

Impact Analysis

An attacker could exploit this to access unauthorized data on your system. Since it requires local access, physical or network compromise is needed. The impact is primarily information disclosure rather than system takeover.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, violating confidentiality requirements in GDPR and HIPAA. Organizations may face compliance violations if sensitive data is disclosed due to this flaw.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Win32K vulnerability. Monitor Microsoft's security advisories for updates and ensure all systems are updated promptly.

Hi! I’m here to help you understand CVE-2026-69808. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70