CVE-2026-18622 json
Foxit PDF Editor/Reader's signature-validation pop-up reports modified certified documents as valid
published 2026-08-13 2 mo ago modified 2026-09-10 59 d ago also EUVD-2026-57737
- cvss
- 4.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 2%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.13% chance of exploitation in the next 30 days, higher than 2% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.7 | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N |
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
Affected products
- Foxit Software Inc. Foxit PDF Editor
- Foxit Software Inc. Foxit PDF Reader
Classification
- Weakness
-
- CWE-451 User Interface (UI) Misrepresentation of Critical Information
References
-
foxit.com
/support/security-bulletins.html
vendor-advisory
Sources
- CVE List CVE-2026-18622
- NVD CVE-2026-18622
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