Vulnerability · Published Sep 15, 2026 · Assigned by ZUSO ART
CVE-2026-76159Duplicati for Windows - Incorrect Permission Assignment for Critical Resource
High 7.0
In plain English
A high-severity incorrect permission assignment in Duplicati from Duplicati. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Severity (CVSS 4.0)7.0High
Exploit odds (30 days)0.1%top 97.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-732 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References
- https://zuso.ai/advisory/ third-party-advisory