Findings

CVE-2026-91815

ZDI-26-743: Foxit PDF Reader JPEG2000 Parsing Memory Corruption Remote Code Execution Vulnerability

Published Sep 23, 2026

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-91815.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 23, 2026 · Catalog

    Detected

    This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-91815.

Sources

  • CVE.orgCVE-2026-91815

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2026-91815

    30-day exploitation probability 0.1%

    first.org
  • This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-91815.

    zerodayinitiative.com