Back
CVE-2026-91817
Foxit PDF Editor/Reader AcroForm Out-of-Bounds Read Remote Code Execution Vulnerability
Medium6.1EPSS 0.15%
- Published
- Updated
- Reserved
- Assigned by
- Foxit
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| FoxitCNA (assigner) | 3.1 | Medium6.1 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H |
| NVDNVD · Analyzed | 3.1 | Medium6.1 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.15% · top 96% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Weakness
Affected products
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
References (1)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-91817)Record last updated .