CVE-2026-91817 — Foxit PDF Editor/Reader AcroForm Out-of-Bounds Read Remote Code Execution Vulnerability

CVE-2026-91817

Foxit PDF Editor/Reader AcroForm Out-of-Bounds Read Remote Code Execution Vulnerability PUBLISHED

Description (CNA)

A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of wide strings in embedded PDF JavaScript. Insufficient validation of string-deletion ranges can cause an integer underflow, resulting in an out-of-bounds read and application crash.

Affected (CNA)

Vendor / product	Versions
Foxit Software Inc. / Foxit PDF Editor	affected Versions 2026.2 and earlier; affected Versions 14.0.7 and earlier; affected Versions 13.2.6 and earlier
Foxit Software Inc. / Foxit PDF Reader	affected Versions 2026.2 and earlier

CWE

CWE-125

References

https://www.foxit.com/support/security-bulletins.html

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.