CVE-2007-4968: Privacyware Privatefirewall

Medium severity, CVSS 4.4. EPSS: 0.3% chance of exploitation in the next 30 days.

Privatefirewall 5.0.14.2 does not properly validate certain parameters to System Service Descriptor Table (SSDT) function handlers, which allows local users to cause a denial of service (crash) and possibly gain privileges via kernel SSDT hooks for (1) NtOpenProcess and (2) NtOpenThread.

Affected products

Published 2007-09-19. Last modified 2026-06-16.