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CVE

CVE-2026-3779

The application's list box calculate array logic keeps stale references to page or form objects after they are deleted o

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.

HIGH · CVSS 7.8 EPSS 0.00023
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules15 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

12
foxit pdf editor<= 13.2.2.24014
foxit pdf editor>= 14.0.0.33046 and <= 14.0.2.33402
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 reader<= 2025.3.0.35737
foxit pdf editor<= 13.2.2.63349
foxit pdf editor>= 14.0.0.68868 and <= 14.0.2.69164
⚠

Public Exploits & PoCs

1
pocwww.talosintelligence.com · TALOS-2026-2365www.talosintelligence.com
◈

Sigma Hunt Rules

15
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Microsoft Office Child Process - MacOS
producthighRemote Access Tool - Renamed MeshAgent Execution - MacOS
producthighBinary Padding - MacOS
productmediumSuspicious Execution via macOS Script Editor
productmediumSystem Information Discovery Via Sysctl - MacOS
productmediumNew File Exclusion Added To Time Machine Via Tmutil - MacOS
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · 14984358-7092-470d-8f34-ade47a7658a2
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD01 Apr 2026 · 02:16 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.foxit.com/support/security-bulletins.htmlVendor Advisory
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