CVE-2026-72976

Analyzed Analyzed - Analysis Complete

Out-of-Bounds Read in Microsoft Office Word

Publication date: 2026-09-08

Last updated on: 2026-09-08

Assigner: Microsoft Corporation

Description

Out-of-bounds read in Microsoft Office Word 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

2026-09-10

EPSS Evaluated

2026-09-27

NVD

CVE-2026-72976

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	365_apps	*
microsoft	365_apps	*
microsoft	word	2016
microsoft	word	2016
microsoft	office_2019	*
microsoft	office_2019	*
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 is an out-of-bounds read vulnerability in Microsoft Office Word. It allows an authorized attacker to access memory outside the intended boundary, potentially disclosing sensitive information stored locally on the system.

Impact Analysis

An attacker could exploit this to read sensitive data from your system, such as files or memory contents, which may include confidential or personal information.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, potentially violating GDPR (data protection) or HIPAA (health information privacy) if sensitive data is accessed.

Mitigation Strategies

Apply the latest security updates from Microsoft for affected Office Word versions to patch the out-of-bounds read vulnerability.

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