Use After Free in Foxit Pdf Editor
CVE-2026-13126
The embedded JavaScript in the PDF deleted the pages, making the object invalid. The application attempted to perform a write operation on the invalid pop-up annotations, resulting in the program crashing.
Vulnerability class: Use-After-Free
EPSS: 0.002 (6.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Foxit Pdf_editor
- Foxit Pdf_reader
- Foxit Software Inc. Pdf Editor — versions Versions 2026.1.1 and earlier, Versions 14.0.4 and earlier
- Foxit Software Inc. Pdf Reader — versions Versions 2026.1.1 and earlier
- Microsoft Windows
Weakness classification (CWE)
References
- 14984358-7092-470d-8f34-ade47a7658a2 (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-13126?
- CVE-2026-13126 is a high-severity vulnerability in Foxit Pdf Editor, classified under Use After Free. CVSS score: 7.8/10. Published 2026-07-08.
- How severe is CVE-2026-13126?
- High severity. CVSS v3 base score is 7.8 out of 10.