ZDI-26-600: Foxit PDF Reader Annotation Use-After-Free Information Disclosure Vulnerability
Foxit PDF Reader annotation use-after-free (CVE-2026-57237, CVSS 3.3) can disclose sensitive information when users open malicious PDFs.
ZDI-26-600 documents a use-after-free in Foxit PDF Reader annotation handling that allows remote information disclosure, tracked as CVE-2026-57237 with CVSS 3.3. Exploitation requires user interaction such as opening a malicious file or visiting a malicious page. The advisory was published by the Zero Day Initiative on August 24, 2026.
- Use-after-free in annotation handling enables remote disclosure of sensitive information
- Exploitation requires opening a malicious file or visiting a malicious page
- Tracked as CVE-2026-57237, CVSS 3.3 (low severity)
- CVEs
- CVE-2026-57237
- Vendors
- Foxit
- Products
- Foxit PDF Reader
- Organizations
- Zero Day Initiative
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-57237 | When the application opens a PDF and JavaScript modifies the properties of form fields, it causes the state of the underlying objects referenced by the program… | 7.8 | <1% |
From the original article
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.
zerodayinitiative.com
A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.