Medium 4.7Published Aug 13, 2026

CVE-2026-18622Foxit PDF Editor/Reader's signature-validation pop-up reports modified certified documents as valid

Updated under an hour ago (Oct 27, 2026, 7:40 AM 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

Foxit PDF Editor/Reader inconsistently alerts users when signature fields are abnormally modified, including alterations to appearance, coordinates, or field duplication. This may mislead users into trusting tampered documents, since the UI cannot accurately reflect the actual integrity status of signatures.

CVSS: 4.7 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Weakness (CWE): CWE-451
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: Aug 13, 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 2026.1.2 and earlier; Versions 14.0.5 and earlier; Versions 13.2.5 and earlier	CNA record
Foxit Software Inc. Foxit PDF Reader foxit_software:foxit_pdf_reader (from the name)	Versions 2026.1.2 and earlier	CNA record
foxit pdf_editor foxit:pdf_editor	through 13.2.5.24109; from 14.0.0.33046 through 14.0.5.33580; 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 2026.1.2.36540; through 13.2.5.63482; from 14.0.0.68868 through 14.0.5.69339; and 4 more ranges	NVD
foxit pdf_reader foxit:pdf_reader	through 2026.1.2.36540; through 2026.1.2.70304	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.