CVE-2013-6886: Realvnc

High severity, CVSS 7.2. EPSS: 0.4% chance of exploitation in the next 30 days.

RealVNC VNC 5.0.6 on Mac OS X, Linux, and UNIX allows local users to gain privileges via a crafted argument to the (1) vncserver, (2) vncserver-x11, or (3) Xvnc helper.

Affected products

• Realvnc Realvnc: version 5.0.6 only

Published 2013-12-28. Last modified 2026-06-17.