Findings

CVE-2026-91806

ZDI-26-735: Foxit PDF Reader Doc Object Use-After-Free Information Disclosure Vulnerability

Published Sep 23, 2026

This vulnerability allows remote attackers to disclose sensitive information 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 3.3. The following CVEs are assigned: CVE-2026-91806.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 23, 2026 · Catalog

    Detected

    This vulnerability allows remote attackers to disclose sensitive information 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 3.3. The following CVEs are assigned: CVE-2026-91806.

Sources

  • CVE.orgCVE-2026-91806

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2026-91806

    30-day exploitation probability 0.1%

    first.org
  • This vulnerability allows remote attackers to disclose sensitive information 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 3.3. The following CVEs are assigned: CVE-2026-91806.

    zerodayinitiative.com