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Vulnerability record · CVE-2026-76159 · published 15 September 2026

CVE-2026-76159: Incorrect permission assignment vulnerability

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.

7.0 CVSS 4.0 High EPSS 0.13% · top 97.8% CWE-732 · Incorrect permission assignment Deferred
7.0CVSS 4.0 base score
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
16 Sep 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://zuso.ai/advisory/

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Source: NIST National Vulnerability Database (record CVE-2026-76159), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.