Vulnerability · Published Apr 1, 2026 · Assigned by Foxit
CVE-2026-3779Foxit PDF Editor/Reader List Box Calculate Array Use-After-Free Vulnerability
High 7.8
In plain English
A high-severity use-after-free in Foxit PDF Editor from Foxit Software Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.3%top 71.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The application's list box calculate array logic keeps stale references to page or form objects after they are deleted or re-created, which allows crafted documents to trigger a use-after-free when the calculation runs and can potentially lead to arbitrary code execution.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Foxit Software Inc. | Foxit PDF Editor | Versions 2025.3 and earlierVersions 14.0.2 and earlierVersions 13.2.2 and earlier |
| Foxit Software Inc. | Foxit PDF Reader | Versions 2025.3 and earlier |
Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H