CVE-2026-21314: Adobe Audition Information Disclosure Bug

CVE-2026-21314 Overview

CVE-2026-21314 is an out-of-bounds read vulnerability affecting Adobe Audition versions 25.3 and earlier. This memory exposure flaw could allow an attacker to disclose sensitive information stored in memory when a user opens a specially crafted malicious file. As an information disclosure vulnerability requiring user interaction, it represents a significant risk for organizations using Adobe Audition for audio production workflows.

Critical Impact

Successful exploitation could lead to memory information disclosure, potentially exposing sensitive data, cryptographic material, or information that could be leveraged for further attacks against the affected system.

Affected Products

• Adobe Audition versions 25.3 and earlier
• Adobe Audition on all supported platforms (Windows, macOS)

Discovery Timeline

• 2026-02-10 - CVE-2026-21314 published to NVD
• 2026-02-11 - Last updated in NVD database

Technical Details for CVE-2026-21314

Vulnerability Analysis

This vulnerability is classified as CWE-125 (Out-of-Bounds Read), which occurs when the software reads data past the boundaries of the allocated memory buffer. In the context of Adobe Audition, the application fails to properly validate bounds when parsing certain file formats, allowing memory contents beyond the intended buffer to be read and potentially exposed to an attacker.

The local attack vector requires user interaction—specifically, a victim must open a malicious audio file crafted by the attacker. Once opened, the vulnerability allows the attacker to read memory contents that should not be accessible, potentially disclosing sensitive information such as memory addresses, heap contents, or other data that could aid in further exploitation.

Root Cause

The root cause stems from insufficient bounds checking when processing audio file data within Adobe Audition. The application reads beyond the allocated buffer boundaries when handling malformed or specially crafted input files, resulting in memory information disclosure. This type of vulnerability typically occurs when input length or offset values are not properly validated before being used in memory read operations.

Attack Vector

Exploitation of CVE-2026-21314 requires social engineering or other means to deliver a malicious file to the target user. The attack flow typically follows this pattern:

1. Attacker crafts a malicious audio file designed to trigger the out-of-bounds read
2. Attacker delivers the file to the victim through email, file sharing, or other distribution methods
3. Victim opens the malicious file in Adobe Audition
4. The vulnerability is triggered during file parsing, causing memory contents to be read beyond buffer boundaries
5. Sensitive information from memory is exposed, which could be exfiltrated or used to bypass security mechanisms like ASLR

The vulnerability does not require elevated privileges and can be exploited by any user who opens the malicious file.

Detection Methods for CVE-2026-21314

Indicators of Compromise

• Unexpected crashes or abnormal behavior in Adobe Audition when opening audio files
• Presence of suspicious or untrusted audio files from unknown sources
• Unusual memory access patterns detected by endpoint protection solutions
• Adobe Audition accessing memory regions outside normal operational bounds

Detection Strategies

• Monitor for Adobe Audition opening files from untrusted locations or email attachments
• Deploy endpoint detection rules for out-of-bounds memory read patterns in Adobe Audition.exe or Audition processes
• Implement file type verification and sandboxing for audio files before opening in production environments
• Use application control policies to track Adobe Audition file access behavior

Monitoring Recommendations

• Enable detailed logging for Adobe Creative Cloud applications
• Monitor for unusual file access patterns in audio production workstations
• Implement security information and event management (SIEM) rules for detecting potential exploitation attempts
• Track Adobe Audition process memory utilization for anomalies

How to Mitigate CVE-2026-21314

Immediate Actions Required

• Update Adobe Audition to the latest patched version immediately
• Implement email filtering to block or quarantine suspicious audio file attachments
• Educate users about the risks of opening audio files from untrusted sources
• Consider temporarily restricting Adobe Audition usage until patches are applied

Patch Information

Adobe has released a security update addressing this vulnerability. Refer to Adobe Security Advisory APSB26-14 for detailed patch information and download instructions. Organizations should prioritize applying this update to all systems running Adobe Audition versions 25.3 and earlier.

Workarounds

• Avoid opening audio files from untrusted or unknown sources until patches are applied
• Implement application sandboxing for Adobe Audition to limit the impact of potential exploitation
• Use network segmentation to isolate audio production workstations from sensitive systems
• Enable Adobe's Protected Mode or equivalent sandboxing features if available
• Consider using alternative audio editing software for processing files from untrusted sources