CVE-2026-57237
HIGH 7.8When the application opens a PDF and JavaScript modifies the properties of form fields, it causes the state of the underlying objects referenced by the program to become invalid. Eventually, it reads an illegal memory address, which leads to the crash of the application.
Severe if exploited (CVSS 7.8), but no known exploitation and low modeled probability. Patch on a normal cadence.
Exploitation likelihood
0.1%chance of exploitation in 30 days · 2nd percentile
Impact if exploited
7.8CVSS 3.1 · HIGH
- ConfidentialityHigh
- IntegrityHigh
- AvailabilityHigh
What an attacker needs
- ⚠Access: Requires local access to the host
- ✓Privileges: No account or privileges required
- ⚠User interaction: A user must take an action (click / open a file)
- ✓Complexity: No special conditions — reliably repeatable
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept & exploit code
- github-search Search GitHub for public PoC repos
Test against your own equipment
curl -s https://vulnpedia.com/cve/CVE-2026-57237/poc.jsonMachine-readable PoC index for this CVE (for automation).Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-57237/poc.json
Affected
Vendors Foxit Software Inc. Foxit Microsoft Apple
Products Foxit Pdf Editor Foxit Pdf Reader Pdf Editor Pdf Reader Windows Macos
Weakness (CWE)
- CWE-416: Use after free
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Known Affected Software Configurations
| Vendor | Product | Version range |
|---|---|---|
| Foxit | Pdf Editor | ≤ 13.2.4.24048 |
| Foxit | Pdf Editor | ≥ 14.0.0.33046 and ≤ 14.0.4.33508 |
| Foxit | Pdf Editor | ≥ 2023.1.0.15510 and ≤ 2023.3.0.23028 |
| Foxit | Pdf Editor | ≥ 2024.1.0.23997 and ≤ 2024.4.1.27687 |
| Foxit | Pdf Editor | ≥ 2025.1.0.27937 and ≤ 2025.3.0.35737 |
| Foxit | Pdf Editor | ≥ 2026.1.0.36452 and ≤ 2026.1.1.36485 |
| Foxit | Pdf Reader | ≤ 2026.1.1.36485 |
| Foxit | Pdf Editor | ≤ 13.2.3.63444 |
| Foxit | Pdf Editor | ≥ 14.0.0.33046 and ≤ 14.0.3.69295 |
| Foxit | Pdf Editor | ≥ 2023.1.0.15510 and ≤ 2023.3.0.63083 |
| Foxit | Pdf Editor | ≥ 2024.1.0.23997 and ≤ 2024.4.1.66479 |
| Foxit | Pdf Editor | ≥ 2025.1.0.27937 and ≤ 2025.3.0.69570 |
| Foxit | Pdf Editor | ≥ 2026.1.0.36452 and ≤ 2026.1.1.70276 |
| Foxit | Pdf Reader | ≤ 2026.1.1.70276 |
All CVSS metrics
- HIGH 7.8 v3.1 · CNA Primary
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - HIGH 7.8 v3.1 · NVD Secondary
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H