CVE-2008-4915: VMware Ace

Medium severity, CVSS 6.9. EPSS: 0.4% chance of exploitation in the next 30 days.

The CPU hardware emulation in VMware Workstation 6.0.5 and earlier and 5.5.8 and earlier; Player 2.0.x through 2.0.5 and 1.0.x through 1.0.8; ACE 2.0.x through 2.0.5 and earlier, and 1.0.x through 1.0.7; Server 1.0.x through 1.0.7; ESX 2.5.4 through 3.5; and ESXi 3.5, when running 32-bit and 64-bit guest operating systems, does not properly handle the Trap flag, which allows authenticated guest OS users to gain privileges on the guest OS.

Affected products

• VMware Ace: from 1.0, up to and including 1.0.7; from 2.0, up to and including 2.0.5
• VMware Esx: from 2.5.4, up to and including 3.5
• VMware ESXi: version 3.5 only
• VMware Player: from 1.0.0, up to and including 1.0.8; from 2.0, up to and including 2.0.5
• VMware Server: from 1.0, up to and including 1.0.7
• VMware Workstation: from 5.5, up to and including 5.5.8; from 6.0, up to and including 6.0.5

Published 2008-11-10. Last modified 2026-06-16.