CVE-2026-34352: Tigervnc

Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days.

In TigerVNC before 1.16.2, Image.cxx in x0vncserver allows other users to observe or manipulate the screen contents, or cause an application crash, because of incorrect permissions.

Affected products

• Tigervnc Tigervnc: before 1.16.2 (fixed in 1.16.2)

Published 2026-03-26. Last modified 2026-06-17.