CVE-2026-50665

Analyzed Analyzed - Analysis Complete

Out-of-Bounds Read in Microsoft Office

Publication date: 2026-07-14

Last updated on: 2026-07-16

Assigner: Microsoft Corporation

Description

Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-07-14

Last Modified

2026-07-16

Generated

2026-08-04

AI Q&A

2026-07-15

EPSS Evaluated

2026-08-02

NVD

CVE-2026-50665

EUVD

EUVD-2026-44248

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	365_apps	*
microsoft	365_apps	*
microsoft	office_2019	*
microsoft	office_2019	*
microsoft	office_2016	*
microsoft	office_2016	*
microsoft	microsoft_365	*
microsoft	office_2021	*
microsoft	office_2021	*
microsoft	office_2021	*
microsoft	office_2024	*
microsoft	office_2024	*
microsoft	office_2024	*

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 vulnerability is an out-of-bounds read issue in Microsoft Office. It allows an unauthorized attacker to read memory outside the intended buffer, potentially exposing sensitive information stored in memory.

Impact Analysis

An attacker could exploit this to access confidential data stored in memory on your system, such as documents or credentials. This could lead to further attacks or data breaches if combined with other vulnerabilities.

Compliance Impact

This vulnerability could lead to unauthorized disclosure of personal or sensitive data, violating GDPR and HIPAA requirements for data protection and confidentiality.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the out-of-bounds read vulnerability in Office. Monitor Microsoft's official update guide for patches and install them promptly.

Hi! I’m here to help you understand CVE-2026-50665. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70