CVE-2026-79907

Analyzed Analyzed - Analysis Complete

Double Free Vulnerability in Acrobat Reader Enables Code Execution

Publication date: 2026-09-08

Last updated on: 2026-09-10

Assigner: Adobe Systems Incorporated

Description

Acrobat Reader is affected by a Double Free 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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-08

Last Modified

2026-09-10

Generated

2026-09-29

AI Q&A

2026-09-09

EPSS Evaluated

2026-09-27

NVD

CVE-2026-79907

Affected Vendors & Products

Vendor	Product	Version / Range
adobe	acrobat_dc	From 15.008.20082 (inc) to 26.002.21901 (exc)
adobe	acrobat_reader_dc	From 15.008.20082 (inc) to 26.002.21901 (exc)
adobe	acrobat	From 24.001.20604 (inc) to 24.001.30429 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-415	The product calls free() twice on the same memory address.

Attack-Flow Graph

Executive Summary

Acrobat Reader has a Double Free vulnerability that allows arbitrary code execution when a user opens a malicious file. This requires user interaction to exploit.

Detection Guidance

Since this is a Double Free vulnerability in Acrobat Reader triggered by opening a malicious file, detection primarily involves monitoring for suspicious file activity or unusual behavior in Acrobat Reader processes. Check for unexpected crashes or hangs in Adobe Reader after opening files. Use process monitoring tools like Process Explorer or system logs to track Adobe Reader's behavior for anomalies.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your system, potentially leading to data theft, system damage, or unauthorized access.

Mitigation Strategies

Update Adobe Acrobat Reader to the latest version immediately, as patches for this vulnerability would be included in updates. Avoid opening untrusted PDF files until the update is applied. Disable JavaScript in Adobe Reader settings to reduce attack surface. Monitor Adobe's security advisories for further guidance.

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