How severe is CVE-2016-4304?

CVE-2016-4304 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-4304 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4304?

CVE-2016-4304 affects Kaspersky Internet Security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-4304?

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

When was CVE-2016-4304 published?

CVE-2016-4304 was published on 2017-01-06 and last updated on 2026-06-17.

CVE-2016-4304

CVE-2016-4304 is a medium-severity vulnerability in Kaspersky Internet Security with a CVSS 3.x base score of 5.5. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Kaspersky Internet Security
Published: 2017-01-06
Last modified: 2026-06-17

Description

A denial of service vulnerability exists in the syscall filtering functionality of the Kaspersky Internet Security KLIF driver. A specially crafted native api call request can cause a access violation exception in KLIF kernel driver resulting in local denial of service. An attacker can run program from user-mode to trigger this vulnerability.

Frequently asked questions

What is CVE-2016-4304?: A denial of service vulnerability exists in the syscall filtering functionality of the Kaspersky Internet Security KLIF driver. A specially crafted native api call request can cause a access violation exception in KLIF kernel driver resulting in local denial of service. An attacker can run program from user-mode to trigger this vulnerability.
How severe is CVE-2016-4304?: CVE-2016-4304 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-4304 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4304?: CVE-2016-4304 affects Kaspersky Internet Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-4304?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-4304 published?: CVE-2016-4304 was published on 2017-01-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:kaspersky:internet_security:16.0.0:*:*:*:*:*:*:*

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