CVE-2018-6970: VMware Horizon Client

Medium severity, CVSS 6.5. EPSS: 1.8% chance of exploitation in the next 30 days.

VMware Horizon 6 (6.x.x before 6.2.7), Horizon 7 (7.x.x before 7.5.1), and Horizon Client (4.x.x and prior before 4.8.1) contain an out-of-bounds read vulnerability in the Message Framework library. Successfully exploiting this issue may allow a less-privileged user to leak information from a privileged process running on a system where Horizon Connection Server, Horizon Agent or Horizon Client are installed. Note: This issue doesn't apply to Horizon 6, 7 Agents installed on Linux systems or Horizon Clients installed on non-Windows systems.

Affected products

  • VMware Horizon Client: from 4.0.0, before 4.8.1 (fixed in 4.8.1)
  • VMware Horizon View: from 6.0.0, before 6.2.7 (fixed in 6.2.7); from 7.0.0, before 7.5.1 (fixed in 7.5.1)

Published 2018-08-13. Last modified 2026-06-17.