CVE-2020-8508
CVSS v3
9.8
CRITICAL
EPSS Score
1.7 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
nsak64.sys in Norman Malware Cleaner 2.08.08 allows users to call arbitrary kernel functions because the passing of function pointers between user and kernel mode is mishandled.
Technical details
- Published
- 2020-02-03
Frequently asked questions
What is CVE-2020-8508?
nsak64.sys in Norman Malware Cleaner 2.08.08 allows users to call arbitrary kernel functions because the passing of function pointers between user and kernel mode is mishandled.
Is CVE-2020-8508 actively exploited?
Active exploitation of CVE-2020-8508 has not been confirmed. Its EPSS score was 1.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-8508?
CVE-2020-8508 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2020-8508 affecting your environment?
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