ZDI-26-729: Foxit PDF Reader Doc Object Use-After-Free Information Disclosure Vulnerability

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

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-2026-91793.

Sources

• CVE.orgVulnerability recordCVE-2026-91793

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2026-91793

  30-day exploitation probability 0.1%

  first.org
• Zero Day InitiativeCoordinated disclosureZDI-26-729

  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-2026-91793.

  zerodayinitiative.com