How severe is CVE-2018-5079?

CVE-2018-5079 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-5079 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-5079?

CVE-2018-5079 affects K7computing Antivirus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-5079?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-5079 published?

CVE-2018-5079 was published on 2018-01-03 and last updated on 2026-06-17.

CVE-2018-5079

CVE-2018-5079 is a high-severity vulnerability in K7computing Antivirus with a CVSS 3.x base score of 7.8. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.1
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: K7computing Antivirus
Published: 2018-01-03
Last modified: 2026-06-17

Description

In K7 AntiVirus 15.1.0306, the driver file (K7FWHlpr.sys) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x83002130.

Frequently asked questions

What is CVE-2018-5079?: In K7 AntiVirus 15.1.0306, the driver file (K7FWHlpr.sys) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x83002130.
How severe is CVE-2018-5079?: CVE-2018-5079 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-5079 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-5079?: CVE-2018-5079 affects K7computing Antivirus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-5079?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-5079 published?: CVE-2018-5079 was published on 2018-01-03 and last updated on 2026-06-17.

References

https://github.com/rubyfly/K7AntiVirus_POC/tree/master/0x83002130

Affected products (1)

cpe:2.3:a:k7computing:antivirus:15.1.0306:*:*:*:*:*:*:*

More vulnerabilities in K7computing Antivirus

CVE-2017-17701 — Critical (CVSS 9.8): K7Sentry.sys 15.1.0.59 in K7 Antivirus 15.1.0309 has a NULL pointer dereference via a 0x950025c8 DeviceIoControl…
CVE-2017-17700 — Critical (CVSS 9.8): K7Sentry.sys 15.1.0.59 in K7 Antivirus 15.1.0309 has a NULL pointer dereference via a 0x950025a4 DeviceIoControl…
CVE-2017-17699 — Critical (CVSS 9.8): K7Sentry.sys 15.1.0.59 in K7 Antivirus 15.1.0309 has a NULL pointer dereference via a 0x950025ac DeviceIoControl…
CVE-2017-17465 — Critical (CVSS 9.8): K7Sentry.sys 15.1.0.59 in K7 Antivirus 15.1.0309 has a NULL pointer dereference via a 0x95002574 DeviceIoControl…
CVE-2017-17464 — Critical (CVSS 9.8): K7Sentry.sys 15.1.0.59 in K7 Antivirus 15.1.0309 has a NULL pointer dereference via a 0x95002570 DeviceIoControl…
CVE-2008-5533 — Critical (CVSS 9.3): K7AntiVirus 7.10.541 and possibly 7.10.454, when Internet Explorer 6 or 7 is used, allows remote attackers to bypass…

All CVEs affecting K7computing Antivirus →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →