How severe is CVE-2006-3074?

CVE-2006-3074 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2006-3074 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-3074?

CVE-2006-3074 primarily affects Kaspersky Kaspersky Anti-virus. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-3074?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2006-3074 published?

CVE-2006-3074 was published on 2006-06-19 and last updated on 2026-06-16.

CVE-2006-3074

CVE-2006-3074 is a medium-severity vulnerability in Kaspersky Kaspersky Anti-virus with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Kaspersky Kaspersky Anti-virus
Published: 2006-06-19
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2006-3074?: 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.
How severe is CVE-2006-3074?: CVE-2006-3074 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2006-3074 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-3074?: CVE-2006-3074 primarily affects Kaspersky Kaspersky Anti-virus. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-3074?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-3074 published?: CVE-2006-3074 was published on 2006-06-19 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:kaspersky:kaspersky_anti-virus:6.0:*:*:*:*:*:*:*
cpe:2.3:a:kaspersky:kaspersky_anti-virus:7.0:*:*:*:*:*:*:*
cpe:2.3:a:kaspersky:kaspersky_internet_security:6.0:*:*:*:*:*:*:*
cpe:2.3:a:kaspersky:kaspersky_internet_security:7.0:*:*:*:*:*:*:*

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