How severe is CVE-2018-6522?

CVE-2018-6522 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-2018-6522 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-6522?

CVE-2018-6522 affects Inca Nprotect Avs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-6522?

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-2018-6522 published?

CVE-2018-6522 was published on 2018-02-02 and last updated on 2026-06-17.

CVE-2018-6522

CVE-2018-6522 is a high-severity vulnerability in Inca Nprotect Avs 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

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.1
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Inca Nprotect Avs
Published: 2018-02-02
Last modified: 2026-06-17

Description

In nProtect AVS V4.0 before 4.0.0.39, the driver file (TKRgFtXp.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 0x220408.

Frequently asked questions

What is CVE-2018-6522?: In nProtect AVS V4.0 before 4.0.0.39, the driver file (TKRgFtXp.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 0x220408.
How severe is CVE-2018-6522?: CVE-2018-6522 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-2018-6522 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-6522?: CVE-2018-6522 affects Inca Nprotect Avs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-6522?: 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-2018-6522 published?: CVE-2018-6522 was published on 2018-02-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:inca:nprotect_avs:*:*:*:*:*:*:*:*

More vulnerabilities in Inca Nprotect Avs

CVE-2018-6525 — High (CVSS 7.8): In nProtect AVS V4.0 before 4.0.0.39, the driver file (TKFsAv.SYS) allows local users to cause a denial of service…
CVE-2018-6524 — High (CVSS 7.8): In nProtect AVS V4.0 before 4.0.0.39, the driver file (TKFsAv.SYS) allows local users to cause a denial of service…
CVE-2018-6523 — High (CVSS 7.8): In nProtect AVS V4.0 before 4.0.0.39, the driver file (TKFsAv.SYS) allows local users to cause a denial of service…

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