CVE-2018-6204

CVE-2018-6204 is a high-severity vulnerability in Maxpcsecure Anti Virus 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

Description

In Max Secure Anti Virus 19.0.3.019,, the driver file (SDActMon.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 0x220019.

Frequently asked questions

What is CVE-2018-6204?
In Max Secure Anti Virus 19.0.3.019,, the driver file (SDActMon.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 0x220019.
How severe is CVE-2018-6204?
CVE-2018-6204 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-2018-6204 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-2018-6204?
CVE-2018-6204 affects Maxpcsecure Anti Virus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-6204?
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-2018-6204 published?
CVE-2018-6204 was published on 2018-01-25 and last updated on 2026-06-17.

References

Affected products (1)

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