CVE-2026-76159

Incorrect Permission Assignment for Critical Resource in the configuration loader of Duplicati for Windows versions before v2.4.0.0 allows a local low-privileged attacker to escalate privileges to NT AUTHORITY\SYSTEM via an attacker-controlled preload.json file.

  • Published Sep 15, 2026
  • CVSS 7.0 high
  • 0.1% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

CVE-2026-76159 at the National Vulnerability Database