Vulnerability-Lookup

GHSA-597R-VGR7-9622

Vulnerability from github – Published: 2026-09-23 09:30 – Updated: 2026-09-23 09:30

Details

A vulnerability in Foxit PDF Editor/Reader’s update mechanism allows an update package to be replaced between download and high-privilege extraction due to insufficient file locking and integrity validation. This could enable local attackers to execute arbitrary code with elevated privileges.

Severity

8.8 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

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  "affected": [],
  "aliases": [
    "CVE-2026-91813"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-367"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-23T08:17:13Z",
    "severity": "HIGH"
  },
  "details": "A vulnerability in Foxit PDF Editor/Reader\u2019s update mechanism allows an update package to be replaced between download and high-privilege extraction due to insufficient file locking and integrity validation. This could enable local attackers to execute arbitrary code with elevated privileges.",
  "id": "GHSA-597r-vgr7-9622",
  "modified": "2026-09-23T09:30:30Z",
  "published": "2026-09-23T09:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-91813"
    },
    {
      "type": "WEB",
      "url": "https://www.foxit.com/support/security-bulletins.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-91813 (GCVE-0-2026-91813)

Vulnerability from cvelistv5 – Published: 2026-09-23 07:49 – Updated: 2026-09-23 14:39

Title

Foxit PDF Editor/Reader FoxitUpdater Race Condition Local Privilege Escalation Vulnerability

Summary

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-23 14:37 UTC

CWE

CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition

Assigner

Foxit mitre root

References

1 reference

URL	Tags
https://www.foxit.com/support/security-bulletins.html

Impacted products

2 products

Vendor	Product	Version
Foxit Software Inc.	Foxit PDF Editor	Affected: Versions 2026.2 and earlier Affected: Versions 14.0.7 and earlier Affected: Versions 13.2.6 and earlier
Foxit Software Inc.	Foxit PDF Reader	Affected: Versions 2026.2 and earlier

Credits

praydog & kmx00 working with TrendAI Zero Day Initiative

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                "role": "CISA Coordinator",
                "timestamp": "2026-09-23T14:37:19.640678Z",
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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.

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.
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GHSA-597R-VGR7-9622

CVE-2026-91813 (GCVE-0-2026-91813)

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