CVE-2026-5941CWE-20
Foxit PDF Editor/Reader AcroForm Signature Remote Code Execution Vulnerability
High · published April 27, 2026
What it is
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.
The record
Technical detail
- CVSS v3.1
- 7.8 · HIGH
- Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS v4.0
- Not supplied
- EPSS
- 0.00160 · 4.8th percentile
- Weakness
- CWE-20 · Improper Input Validation
- Published
- 2026-04-27T11:00Z
EPSS history
Timeline