Vulnerability · Published Apr 27, 2026 · Assigned by Foxit
CVE-2026-5941Foxit PDF Editor/Reader AcroForm Signature Remote Code Execution Vulnerability
High 7.8
In plain English
A high-severity improper input validation 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 0.2% (higher than 6% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 93.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Parsing logic flaws cause non-signature data to be misidentified as valid signatures when processing malformed form field hierarchies, leading to invalid memory writes and program crashes during internal data structure construction.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Foxit Software Inc. | Foxit PDF Editor | Versions 2026.1 and earlierVersions 14.0.3 and earlier |
| Foxit Software Inc. | Foxit PDF Reader | Versions 2026.1 and earlier |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H