CVE-2026-86157
Exposure of privileged IPC functionality in Progress Telerik Fiddler Everywhere before version 8.2.0 allows a local, low-privileged attacker who can modify application launch parameters and persuade a user to start the application to replace the application UI or settings with attacker-controlled content. Successful exploitation could result in disclosure of OAuth authentication tokens, execution of locally accessible programs, or unauthorized modification of application-generated configuration files.
- Published Sep 29, 2026
- CVSS 5.6 medium
- 0.1% chance of exploitation in the next 30 days (EPSS)
- A fix is available