ZDI-26-727: Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability
Foxit PDF Reader annotation use-after-free CVE-2026-13128 enables remote code execution via a malicious file.
ZDI-26-727 discloses a use-after-free in Foxit PDF Reader annotation handling that allows remote code execution. Exploitation requires the target to open a malicious file or visit a malicious page. ZDI assigned CVSS 7.8 and CVE-2026-13128. The advisory does not say the flaw is being exploited.
- Use-after-free affects Foxit PDF Reader annotation handling.
- A malicious file or page is required for exploitation.
- CVE-2026-13128 is rated CVSS 7.8 by ZDI.
- Active exploitation is not mentioned.
- CVEs
- CVE-2026-13128
- Vendors
- Foxit
- Products
- Foxit PDF Reader
- Organizations
- Zero Day Initiative
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-13128 | Embedding JavaScript within a PDF file will cause the page to be deleted | 7.8 | <1% |
From the original article
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.
zerodayinitiative.com
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