CVE-2026-79908
Received Received - Intake

Out-of-Bounds Write in Acrobat Reader

Vulnerability report for CVE-2026-79908, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-08

Last updated on: 2026-09-09

Assigner: Adobe Systems Incorporated

Description

Acrobat Reader is affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

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Meta Information

Published
2026-09-08
Last Modified
2026-09-09
Generated
2026-09-09
AI Q&A
2026-09-09
EPSS Evaluated
N/A
NVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
adobe acrobat_reader *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.

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Executive Summary

This is an out-of-bounds write vulnerability in Acrobat Reader that could allow arbitrary code execution. It requires user interaction, meaning a victim must open a malicious file to trigger the issue.

Detection Guidance

This vulnerability requires user interaction to exploit, so detection involves monitoring for suspicious PDF files or unusual behavior when opening them. Check for recently opened PDFs from unknown sources. Use antivirus or endpoint detection tools to scan for malicious files. No specific commands are provided in the context.

Impact Analysis

An attacker could exploit this to run malicious code on your system, potentially stealing data, installing malware, or taking control of your computer. Since it requires opening a file, avoid suspicious files from unknown sources.

Mitigation Strategies

Update Acrobat Reader to the latest version as soon as patches are available. Avoid opening PDF files from untrusted sources. Disable PDF plugins in web browsers if not needed. Enable automatic updates for Adobe products to ensure timely fixes.

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