Use After Free in Foxit Pdf Editor
CVE-2026-13127
The application opens the PDF file. JavaScript then rewrites the document to modify the page structure, resulting in the invalidation of the page objects. However, the thumbnails still use the invalid page objects, ultimately causing the application to crash.
Vulnerability class: Use-After-Free
EPSS: 0.001 (1.9th 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, Versions 13.2.4 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-2026-13127?
- CVE-2026-13127 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-2026-13127?
- High severity. CVSS v3 base score is 7.8 out of 10.