How severe is CVE-2018-11009?

CVE-2018-11009 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-11009 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11009?

CVE-2018-11009 primarily affects K7computing Antivrius. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-11009?

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-2018-11009 published?

CVE-2018-11009 was published on 2021-01-11 and last updated on 2026-06-17.

CVE-2018-11009

CVE-2018-11009 is a high-severity vulnerability in K7computing Antivrius 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: K7computing Antivrius
Published: 2021-01-11
Last modified: 2026-06-17

Description

A Buffer Overflow issue was discovered in K7Computing K7AntiVirus Premium 15.01.00.53.

Frequently asked questions

What is CVE-2018-11009?: A Buffer Overflow issue was discovered in K7Computing K7AntiVirus Premium 15.01.00.53.
How severe is CVE-2018-11009?: CVE-2018-11009 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-11009 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11009?: CVE-2018-11009 primarily affects K7computing Antivrius. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-11009?: 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-2018-11009 published?: CVE-2018-11009 was published on 2021-01-11 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:k7computing:antivrius:*:*:*:*:premium:*:*:*
cpe:2.3:a:k7computing:enterprise_security:*:*:*:*:*:*:*:*
cpe:2.3:a:k7computing:total_security:*:*:*:*:*:*:*:*
cpe:2.3:a:k7computing:ultimate_security:*:*:*:*:*:*:*:*

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CVE-2018-9333 — High (CVSS 7.8): K7Computing Pvt Ltd K7AntiVirus Premium 15.1.0.53 is affected by: Buffer Overflow. The impact is: execute arbitrary…
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CVE-2018-8724 — High (CVSS 7.8): K7Computing Pvt Ltd K7AntiVirus Premium 15.1.0.53 is affected by: Incorrect Access Control. The impact is: gain…
CVE-2018-8044 — High (CVSS 7.8): K7Computing Pvt Ltd K7Antivirus Premium 15.1.0.53 is affected by: Incorrect Access Control. The impact is: Local…

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