Adobe Creative Cloud AGSService Incorrect Permission Assignment Local Privilege Escalation Vulnerability

July 15th, 2026
ZDI-26-420 ZDI-CAN-29867

CVE ID

CVE-2026-48344

CVSS Score

7.8 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors

Adobe

Affected Products

Creative Cloud

Vulnerability Details

This vulnerability allows local attackers to escalate privileges on affected installations of Adobe Creative Cloud Desktop Application. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the AGSService. The issue results from incorrect permissions on a resource used by the service. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

Additional Details

Adobe has issued an update to correct this vulnerability. More details can be found at:
https://helpx.adobe.com/security/products/creative-cloud/apsb26-77.html

Disclosure Timeline

  • 2026-03-25 - Vulnerability reported to vendor
  • 2026-07-15 - Coordinated public release of advisory
  • 2026-07-15 - Advisory Updated

Credit

Brandon Evans of TrendAI Zero Day Initiative

Back to Advisories