High 7.8Published Sep 23, 2026

CVE-2026-91802Foxit PDF Editor/Reader — Heap Buffer Overflow in WebP Image Decoding via Bitmap Stride Confusion

Updated under an hour ago (Oct 26, 2026, 3:50 PM ET)

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It affects Foxit Software Inc. Foxit PDF Editor and 3 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Foxit Software Inc. Foxit PDF Editor

Exploited in the last 30 days

A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s WebP image decoding due to improper handling of bitmap stride and target buffer formats. Successful exploitation could result in an application crash.

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-787
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Foxit
NVD analysis: Analyzed
Record last updated: Sep 23, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Foxit Software Inc. Foxit PDF Editor foxit_software:foxit_pdf_editor (from the name)	Versions 2026.2 and earlier; Versions 14.0.7 and earlier	CNA record
Foxit Software Inc. Foxit PDF Reader foxit_software:foxit_pdf_reader (from the name)	Versions 2026.2 and earlier	CNA record
foxit pdf_editor foxit:pdf_editor	through 13.2.5.63482; from 14.0.0.33046 through 14.0.7.33751; from 2023.1.0.15510 through 2023.3.0.23028; from 2024.1.0.23997 through 2024.4.1.27687; from 2025.1.0.27937 through 2025.3.0.35737; from 2026.1.0.36452 through 2026.2.0.39747	NVD
foxit pdf_reader foxit:pdf_reader	through 2026.2.0.39747	NVD

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.