High severity · published Sep 15, 2026
CVE-2026-76159
Duplicati for Windows - Incorrect Permission Assignment for Critical Resource
7.0
CVSS
0.1%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DU
Duplicati · Duplicati
before v2.4.0.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-76159
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-76159
zuso.ai
https://zuso.ai/advisory/
More from Duplicati
7.8
CVE-2026-16157
Duplicati backup software v2.3.0.1 is vulnerable to an incorrect permission assignment vulnerability