CVE-2026-27222: Adobe Bridge DOS Vulnerability

CVE-2026-27222 Overview

CVE-2026-27222 is a Divide By Zero vulnerability affecting Adobe Bridge versions 16.0.2, 15.1.4 and earlier. This vulnerability could lead to application denial-of-service, allowing an attacker to crash the application or render it unresponsive. Exploitation requires user interaction—specifically, a victim must open a malicious file crafted by the attacker.

Critical Impact

Successful exploitation of this vulnerability can result in complete denial of service of the Adobe Bridge application, potentially disrupting creative workflows and productivity for users who depend on Bridge for digital asset management.

Affected Products

• Adobe Bridge versions 16.0.2 and earlier
• Adobe Bridge versions 15.1.4 and earlier
• Affected on both Apple macOS and Microsoft Windows platforms

Discovery Timeline

• 2026-04-14 - CVE-2026-27222 published to NVD
• 2026-04-15 - Last updated in NVD database

Technical Details for CVE-2026-27222

Vulnerability Analysis

This vulnerability is classified under CWE-369 (Divide By Zero), a condition that occurs when an application attempts to divide a number by zero. In the context of Adobe Bridge, this arithmetic error is triggered when the application processes a specially crafted malicious file. The vulnerability requires local access and user interaction to exploit, as the victim must be tricked into opening the malicious file.

When the division operation encounters a zero divisor, it causes an unhandled exception that terminates the application process, resulting in a denial of service condition. While this vulnerability does not impact confidentiality or integrity, it poses a significant availability risk to users who rely on Adobe Bridge for their creative asset management workflows.

Root Cause

The root cause of CVE-2026-27222 lies in inadequate input validation within Adobe Bridge's file parsing routines. When processing certain file formats, the application fails to verify that divisor values used in calculations are non-zero before performing division operations. This oversight allows a malicious file containing crafted values to trigger the divide by zero condition.

Attack Vector

The attack vector for this vulnerability is local with user interaction required. An attacker would need to:

1. Craft a malicious file containing data that causes a zero divisor condition
2. Distribute the file to potential victims through email attachments, file sharing services, or compromised websites
3. Social engineer the victim into opening the malicious file with Adobe Bridge

Upon opening the crafted file, Adobe Bridge attempts to process the malicious data, triggering the divide by zero error and causing the application to crash.

Detection Methods for CVE-2026-27222

Indicators of Compromise

• Unexpected Adobe Bridge application crashes when opening specific files
• Windows Event Log entries showing application crash events for Bridge.exe with exception codes related to division errors
• macOS crash reports for Adobe Bridge indicating arithmetic exceptions
• Suspicious files with unusual metadata or structure received from untrusted sources

Detection Strategies

• Monitor for repeated Adobe Bridge crash events across multiple systems, which could indicate targeted exploitation attempts
• Implement file scanning solutions to detect known malicious file patterns before they reach end users
• Configure endpoint detection rules to alert on Adobe Bridge process termination with specific exception codes
• Deploy SentinelOne Singularity to detect and prevent exploitation attempts through behavioral analysis

Monitoring Recommendations

• Enable application crash reporting and centralize logs for analysis
• Configure endpoint protection to monitor Adobe Bridge process behavior for anomalies
• Implement email gateway scanning for potentially malicious attachments destined for creative workflow users
• Review file access patterns for Adobe Bridge to identify suspicious file sources

How to Mitigate CVE-2026-27222

Immediate Actions Required

• Update Adobe Bridge to the latest patched version as soon as available from Adobe
• Apply the security patch referenced in Adobe Security Advisory APSB26-39
• Warn users about opening files from untrusted or unknown sources in Adobe Bridge
• Consider temporarily restricting file types that can be opened in Adobe Bridge until patches are applied

Patch Information

Adobe has released security updates to address this vulnerability. System administrators should refer to the Adobe Security Advisory APSB26-39 for detailed patch information and download instructions. Organizations using Adobe Creative Cloud can deploy updates through the Admin Console for managed environments.

Workarounds

• Implement strict file filtering policies to prevent potentially malicious files from reaching users
• Train users to verify the source of files before opening them in Adobe Bridge
• Consider using Adobe Bridge in a sandboxed or virtualized environment to limit the impact of crashes
• Deploy endpoint protection solutions like SentinelOne to provide an additional layer of defense against exploitation attempts