CVE-2026-91795 json
Foxit PDF Editor/Reader FileOpen Uninitialized Variable Remote Code Execution Vulnerability
published 2026-09-23 47 d ago modified 2026-10-08 32 d ago also EUVD-2026-85127
- cvss
- 7.8
- 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 1%
- public exploits
- 0
- none known
Summary
Foxit PDF Editor/Reader's FileOpen plugin did not adequately validate certain encryption metadata in specially crafted PDF files. This could leave an internal pointer in an invalid state, resulting in chained read and write access violations and potentially enabling arbitrary code execution.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 47 d ago
Exploit prediction
0.12% chance of exploitation in the next 30 days, higher than 1% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
- Foxit Software Inc. Foxit PDF Editor
- Foxit Software Inc. Foxit PDF Reader
Classification
- Weakness
-
- CWE-822 Untrusted Pointer Dereference
References
-
foxit.com
/support/security-bulletins.html
vendor-advisory
Sources
- CVE List CVE-2026-91795
- NVD CVE-2026-91795
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