ZDI-26-603: Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability
Admiralty grading (A–F · 1–6)
Source reliability
- A Completely reliable
- B Usually reliable
- C Fairly reliable
- D Not usually reliable
- E Unreliable
- F Cannot be judged
Information credibility
- 1 Confirmed
- 2 Probably true
- 3 Possibly true
- 4 Doubtful
- 5 Improbable
- 6 Cannot be judged
NATO Admiralty (AJP-2.1) grades confidence, independent of the risk score. Cross-source corroboration isn't tracked for non-CVE news, so single-source items are capped at a lower credibility number; a low number does not imply low quality.
Key metrics
- CVSS
- 7.8
- EPSS
- 0%
Affected versions
Key insight
Critical security vulnerability in widely-used PDF reader enabling remote code execution upon user interaction; risk to technical documentation handling in manufacturing environments.
Description
A use-after-free vulnerability in Foxit PDF Reader enables remote code execution through annotation functionality. Exploitation requires user interaction (visiting a malicious page or opening a crafted file). Rated CVSS 7.8, the flaw poses significant risk to systems processing PDF documents in design workflows and technical documentation. No Known Exploited Vulnerabilities (KEV) status reported, but proof-of-concept or active exploitation may follow.
Risk score
- cvss base
- 78.00
- kev bonus
- 0.00
- epss bonus
- 0.00
- poc bonus
- 15.00
- raw before weight
- 93.00
- industry weight
- 1.10
- freshness factor
- 0.50
- exploitability factor
- 1.00
- days old
- 16.00
- vendor mismatch penalty
- 0.00
Path: operational