CVE-2026-97781

Analyzed Analyzed - Analysis Complete

Command Injection in Microsoft Office OneNote

Publication date: 2026-10-13

Last updated on: 2026-10-16

Assigner: Microsoft Corporation

Description

Improper neutralization of special elements used in a command ('command injection') in Microsoft Office OneNote allows an unauthorized attacker to execute code over a network.

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-2026-97781

EUVD

EUVD-2026-100460

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	365_apps	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-77	The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

Attack-Flow Graph

Executive Summary

This is a command injection vulnerability in Microsoft Office OneNote. It allows an unauthorized attacker to execute arbitrary code remotely by exploiting improper neutralization of special elements in commands.

Impact Analysis

An attacker could exploit this to run malicious code on your system if you open a specially crafted OneNote file. This could lead to data theft, system compromise, or further network attacks.

Compliance Impact

This vulnerability allows remote code execution via command injection in Microsoft Office OneNote, which could lead to unauthorized access to sensitive data. Such breaches may violate GDPR's data protection requirements and HIPAA's safeguards for protected health information if exploited.

Mitigation Strategies

Apply the latest security updates from Microsoft for Microsoft Office OneNote to patch the command injection vulnerability.

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