CVE-2006-3074: Kaspersky Anti-Virus

Medium severity, CVSS 5.0. EPSS: 7.2% chance of exploitation in the next 30 days.

klif.sys in Kaspersky Internet Security 6.0 and 7.0, Kaspersky Anti-Virus (KAV) 6.0 and 7.0, KAV 6.0 for Windows Workstations, and KAV 6.0 for Windows Servers does not validate certain parameters to the (1) NtCreateKey, (2) NtCreateProcess, (3) NtCreateProcessEx, (4) NtCreateSection, (5) NtCreateSymbolicLinkObject, (6) NtCreateThread, (7) NtDeleteValueKey, (8) NtLoadKey2, (9) NtOpenKey, (10) NtOpenProcess, (11) NtOpenSection, and (12) NtQueryValueKey hooked system calls, which allows local users to cause a denial of service (reboot) via an invalid parameter, as demonstrated by the ClientId parameter to NtOpenProcess.

Affected products

• Kaspersky Kaspersky Anti-Virus: version 6.0 only; version 7.0 only
• Kaspersky Kaspersky Internet Security: version 6.0 only; version 7.0 only

Published 2006-06-19. Last modified 2026-06-16.