CVE-2025-27918: Anydesk

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

An issue was discovered in AnyDesk for Windows before 9.0.5, AnyDesk for macOS before 9.0.1, AnyDesk for Linux before 7.0.0, AnyDesk for iOS before 7.1.2, and AnyDesk for Android before 8.0.0. It has an integer overflow and resultant heap-based buffer overflow via a UDP packet during processing of an Identity user image within the Discovery feature, or when establishing a connection between any two clients.

Affected products

• Anydesk Anydesk: before 9.0.0 (fixed in 9.0.0)

Published 2025-11-06. Last modified 2026-06-17.