{"id":"CVE-2026-76159","aliases":["EUVD-2026-78330","GHSA-8x3r-pmm8-3j9w"],"status":"published","title":"Duplicati for Windows - Incorrect Permission Assignment for Critical Resource","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.","severity":{"version":"4.0","score":7,"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00131,"percentile":0.02717,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-732"],"published":"2026-09-15T08:49:12Z","modified":"2026-09-16T13:42:48Z","products":[{"vendor":"duplicati","product":"duplicati"}],"references":[{"url":"https://zuso.ai/advisory/","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76159"},{"url":"https://zuso.ai/advisory"},{"url":"https://github.com/advisories/GHSA-8x3r-pmm8-3j9w"}],"sources":{"cve":[{"id":"CVE-2026-76159","title":"Duplicati for Windows - Incorrect Permission Assignment for Critical Resource","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.","status":"published","published":"2026-09-15T08:49:12.313Z","modified":"2026-09-15T13:33:17.592Z","cvss":[{"version":"4.0","score":7,"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","level":"high","assessor":"cna"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T13:46:21.568011Z"}],"euvd":[{"id":"EUVD-2026-78330","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.","status":"published","published":"2026-09-15T08:49:12Z","modified":"2026-09-15T13:33:17Z","cvss":[{"version":"4.0","score":7,"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","level":"high"}],"updated_at":"2026-11-02T17:28:18.438671Z"}],"ghsa":[{"id":"GHSA-8x3r-pmm8-3j9w","title":"Incorrect Permission Assignment for Critical Resource in the  configuration loader of Duplicati...","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.","status":"published","published":"2026-09-15T09:30:31Z","modified":"2026-09-15T09:30:39Z","cvss":[{"version":"4.0","score":7,"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/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:X/V:X/RE:X/U:X","level":"high"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T15:11:53.5286Z"}],"nvd":[{"id":"CVE-2026-76159","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.","status":"published","published":"2026-09-15T09:16:43.9Z","modified":"2026-09-16T13:42:48.44Z","cvss":[{"version":"4.0","score":7,"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/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:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:12:47.335523Z"}]}}