How severe is CVE-2017-16553?

CVE-2017-16553 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-16553 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-16553?

CVE-2017-16553 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-2017-16553?

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-2017-16553 published?

CVE-2017-16553 was published on 2018-01-16 and last updated on 2026-06-17.

CVE-2017-16553

CVE-2017-16553 is a high-severity vulnerability in K7computing Antivirus with a CVSS 3.x base score of 7.0. 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.0)
CVSS v2: 4.4
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
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 gain privileges by sending a specific IOCTL after setting the memory in a particular way.

Frequently asked questions

What is CVE-2017-16553?: K7 Antivirus Premium before 15.1.0.53 allows local users to gain privileges by sending a specific IOCTL after setting the memory in a particular way.
How severe is CVE-2017-16553?: CVE-2017-16553 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-16553 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-16553?: CVE-2017-16553 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-2017-16553?: 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-2017-16553 published?: CVE-2017-16553 was published on 2018-01-16 and last updated on 2026-06-17.

References

https://support.k7computing.com/index.php?/selfhelp/view-article/3rd-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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