Vulnerability-Lookup

CVE-2026-76159 (GCVE-0-2026-76159)

Vulnerability from cvelistv5 – Published: 2026-09-15 08:49 – Updated: 2026-09-15 13:33

Title

Duplicati for Windows - Incorrect Permission Assignment for Critical Resource

Summary

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

7 (High)


                        
                          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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-15 13:32 UTC

CWE

CWE-732 - Incorrect Permission Assignment for Critical Resource

Assigner

ZUSO ART

References

1 reference

URL	Tags
https://zuso.ai/advisory/	third-party-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
Duplicati	Duplicati	Affected: 0 , < v2.4.0.0 (custom)	guessed

Date Public

2026-09-15 08:44

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-76159

Vulnerability from fkie_nvd - Published: 2026-09-15 09:16 - Updated: 2026-09-16 13:42

Severity

7.0 (High) - 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

Summary

References

	URL	Tags
	ART@zuso.ai	https://zuso.ai/advisory/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "Windows"
          ],
          "product": "Duplicati",
          "vendor": "Duplicati",
          "versions": [
            {
              "lessThan": "v2.4.0.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "ART@zuso.ai"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    }
  ],
  "id": "CVE-2026-76159",
  "lastModified": "2026-09-16T13:42:48.440",
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          "attackRequirements": "NONE",
          "attackVector": "LOCAL",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 7.0,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
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          "valueDensity": "NOT_DEFINED",
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GHSA-8X3R-PMM8-3J9W

Vulnerability from github – Published: 2026-09-15 09:30 – Updated: 2026-09-15 09:30

Details

Severity

7.0 (High)


                  
                    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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-76159"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-732"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-15T09:16:43Z",
    "severity": "HIGH"
  },
  "details": "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.",
  "id": "GHSA-8x3r-pmm8-3j9w",
  "modified": "2026-09-15T09:30:32Z",
  "published": "2026-09-15T09:30:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-76159"
    },
    {
      "type": "WEB",
      "url": "https://zuso.ai/advisory"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-76159 (GCVE-0-2026-76159)

FKIE_CVE-2026-76159

GHSA-8X3R-PMM8-3J9W

Tags

Sightings

Nomenclature

Related by attack behaviour