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CVE-2018-6209

In Max Secure Anti Virus 19.0.3.019,, the driver file (MaxCryptMon.sys) allows local users to...

7.8 High

In Max Secure Anti Virus 19.0.3.019,, the driver file (MaxCryptMon.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.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.40%Up 0.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.8

In Max Secure Anti Virus 19.0.3.019,, the driver file (MaxCryptMon.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.

Record
CVE-2018-6209
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
6.1 MediumAV:L/AC:L/Au:N/C:P/I:P/A:C
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

In Max Secure Anti Virus 19.0.3.019,, the driver file (MaxCryptMon.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.

Record
CVE-2018-6209
Updated
2026-11-02
EUVDEUVD-2018-17970 No score

In Max Secure Anti Virus 19.0.3.019,, the driver file (MaxCryptMon.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.

Record
EUVD-2018-17970
Updated
2026-11-03
GitHub AdvisoriesGHSA-pc28-hpqc-r6g4 7.8

In Max Secure Anti Virus 19.0.3.019,, the driver file (MaxCryptMon.sys) allows local users to...

In Max Secure Anti Virus 19.0.3.019,, the driver file (MaxCryptMon.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.

Record
GHSA-pc28-hpqc-r6g4
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-20
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-6209 is a high vulnerability (CVSS 7.8) in Maxpcsecure Anti Virus, published January 25, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 34th percentile. No source names a fixed version.

References

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