CVE-2026-108436
Awaiting Analysis Awaiting Analysis - Queue

Out-of-Bounds Read in Microsoft Office Word

Vulnerability report for CVE-2026-108436, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-15

Last updated on: 2026-10-16

Assigner: Microsoft Corporation

Description

Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-10-15
Last Modified
2026-10-16
Generated
2026-10-19
AI Q&A
2026-10-16
EPSS Evaluated
2026-10-18
NVD

Affected Vendors & Products

Showing 6 associated CPEs
Vendor Product Version / Range
Microsoft Microsoft 365 Apps for Enterprise 16.0.1
Microsoft Microsoft Office 365 for Mac 1.0.0
Microsoft Microsoft Office LTSC 2021 16.0.1
Microsoft Microsoft Office LTSC 2024 16.0.0
Microsoft Microsoft Office LTSC for Mac 2021 16.0.1
Microsoft Microsoft Office LTSC for Mac 2024 16.0.0

Helpful Resources

Exploitability

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

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is an out-of-bounds read flaw in Microsoft Office Word. It allows an unauthorized attacker to access and disclose sensitive information over a network without needing special privileges or user interaction.

Detection Guidance

This vulnerability is an out-of-bounds read in Microsoft Office Word. Detection typically requires monitoring for unusual application behavior or crashes during document processing. Check for updated patches from Microsoft and review system logs for Word-related errors.

Impact Analysis

An attacker could exploit this to read memory contents outside the intended buffer, potentially accessing confidential data such as documents or sensitive information stored in memory.

Compliance Impact

The vulnerability allows unauthorized disclosure of information, which could lead to unauthorized access to sensitive data. This may impact compliance with GDPR (data protection) and HIPAA (health information privacy) by increasing the risk of data breaches.

Mitigation Strategies

Apply the latest security updates from Microsoft for Office Word and related products. Monitor Microsoft's security advisories for patches and disable Office macros if not required.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-108436. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart