How an image could compromise your Mac: understanding an ExifTool vulnerability (CVE-

[harlan4096]

A critical vulnerability in ExifTool (CVE-2026-3102) allows attackers to compromise macOS systems through specially crafted malicious images. This flaw could enable arbitrary code execution when a vulnerable ExifTool instance processes a booby-trapped image file.
 
Kaspersky's Technical Breakdown​

• Vulnerability: A flaw within ExifTool (CVE-2026-3102) related to how it handles specific image metadata.
  
• TTPs: Attackers leverage malicious image files containing crafted metadata. When these images are processed by ExifTool, it triggers the vulnerability, leading to system compromise.
  
• Affected Systems: macOS systems running vulnerable versions of ExifTool.
  

Defense​

Ensure ExifTool is updated to the latest patched version to mitigate this vulnerability. Implement strict input validation and sanitize image files before processing them with ExifTool, especially from untrusted sources.

Continue Reading: How a single image takes control of a Mac