CVE-2026-3775 Foxit PDF Editor/Reader Update Service Uncontrolled Search Path Element Local Privilege Escalation Vulnerability
A local attacker can escalate privileges to SYSTEM by placing a malicious library in a user-writable directory loaded by the update service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-3775?
CVE-2026-3775 is a high-severity vulnerability in Foxit Pdf Editor, published on 1 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The application's update service, when checking for updates, loads certain system libraries from a search path that includes directories writable by low‑privileged users and is not strictly restricted to trusted system locations. Because these libraries may be resolved and loaded from user‑writable locations, a local attacker can place a malicious library there and have it loaded with SYSTEM privileges, resulting in local privilege escalation and arbitrary code execution.
Weakness: CWE-427
Which versions are affected by CVE-2026-3775?
It affects 2 products.
Products include Foxit Pdf Editor, Foxit Pdf Reader.
How do I fix CVE-2026-3775?
No fix has been published for CVE-2026-3775 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-3775 being exploited?
There is no known exploitation of CVE-2026-3775 in the wild and no public exploit code.
Other vulnerabilities in Foxit Pdf Editor
Sources
Also known as GHSA-j35c-qjxf-46vc.