How severe is CVE-2018-6476?

CVE-2018-6476 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-6476 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-6476?

CVE-2018-6476 affects Superantispyware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-6476?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-6476 published?

CVE-2018-6476 was published on 2018-01-31 and last updated on 2026-06-17.

CVE-2018-6476

CVE-2018-6476 is a critical-severity vulnerability in Superantispyware with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 5% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Superantispyware
Published: 2018-01-31
Last modified: 2026-06-17

Description

In SUPERAntiSpyware Professional Trial 6.0.1254, the SASKUTIL.SYS driver allows privilege escalation to NT AUTHORITY\SYSTEM because of not validating input values from IOCtl 0x9C402114 or 0x9C402124 or 0x9C40207c.

Frequently asked questions

What is CVE-2018-6476?: In SUPERAntiSpyware Professional Trial 6.0.1254, the SASKUTIL.SYS driver allows privilege escalation to NT AUTHORITY\SYSTEM because of not validating input values from IOCtl 0x9C402114 or 0x9C402124 or 0x9C40207c.
How severe is CVE-2018-6476?: CVE-2018-6476 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-6476 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-6476?: CVE-2018-6476 affects Superantispyware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-6476?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-6476 published?: CVE-2018-6476 was published on 2018-01-31 and last updated on 2026-06-17.

References

https://github.com/ZhiyuanWang-Chengdu-Qihoo360/SUPERAntiSpyware_POC/tree/master/0x9C402114_9C402124_9C40207c

Affected products (1)

cpe:2.3:a:superantispyware:superantispyware:6.0.1254:*:*:*:professional:*:*:*

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