How severe is CVE-2017-16550?

CVE-2017-16550 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-2017-16550 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-16550?

CVE-2017-16550 primarily affects K7computing Antivirus. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-16550?

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-2017-16550 published?

CVE-2017-16550 was published on 2018-01-16 and last updated on 2026-06-17.

CVE-2017-16550

CVE-2017-16550 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.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: K7computing Antivirus
Published: 2018-01-16
Last modified: 2026-06-17

Description

K7 Antivirus Premium before 15.1.0.53 allows local users to write to arbitrary memory locations, and consequently gain privileges, via a specific set of IOCTL calls.

Frequently asked questions

What is CVE-2017-16550?: K7 Antivirus Premium before 15.1.0.53 allows local users to write to arbitrary memory locations, and consequently gain privileges, via a specific set of IOCTL calls.
How severe is CVE-2017-16550?: CVE-2017-16550 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-2017-16550 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-16550?: CVE-2017-16550 primarily affects K7computing Antivirus. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-16550?: 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-2017-16550 published?: CVE-2017-16550 was published on 2018-01-16 and last updated on 2026-06-17.

References

https://support.k7computing.com/index.php?/selfhelp/view-article/Advisory-issued-on-6th-November-2017

Affected products (7)

cpe:2.3:a:k7computing:antivirus:*:*:*:*:premium:*:*:*
cpe:2.3:a:k7computing:antivirus:*:*:*:*:plus:*:*:*
cpe:2.3:a:k7computing:endpoint:*:*:*:*:*:*:*:*
cpe:2.3:a:k7computing:internet_security:*:*:*:*:*:*:*:*
cpe:2.3:a:k7computing:total_security:*:*:*:*:*:*:*:*
cpe:2.3:a:k7computing:total_security:*:*:*:*:plus:*:*:*
cpe:2.3:a:k7computing:ultimate_security:*:*:*:*:*:*:*:*

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