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CVE-2026-76159

Duplicati for Windows - Incorrect Permission Assignment for Critical Resource

CVSS 4.0 7.0 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-76159

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-76159

Published

Duplicati

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Duplicati",
                    "product": "Duplicati",
                    "platforms": [
                        "Windows"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "v2.4.0.0",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON