How severe is CVE-2016-20059?

CVE-2016-20059 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-2016-20059 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-20059?

CVE-2016-20059 affects Iobit Malware Fighter. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-20059?

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.

Does CVE-2016-20059 have an EU (EUVD) identifier?

Yes. CVE-2016-20059 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-10867.

When was CVE-2016-20059 published?

CVE-2016-20059 was published on 2026-04-04 and last updated on 2026-06-17.

CVE-2016-20059

CVE-2016-20059 is a high-severity vulnerability in Iobit Malware Fighter 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-428.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 8.5
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2016-10867
Weakness: CWE-428
Affected product: Iobit Malware Fighter
Published: 2026-04-04
Last modified: 2026-06-17

Description

IObit Malware Fighter 4.3.1 contains an unquoted service path vulnerability in the IMFservice and LiveUpdateSvc services that allows local attackers to escalate privileges. Attackers can insert a malicious executable file in the unquoted service path and trigger privilege escalation when the service restarts or the system reboots, executing code with LocalSystem privileges.

Frequently asked questions

What is CVE-2016-20059?: IObit Malware Fighter 4.3.1 contains an unquoted service path vulnerability in the IMFservice and LiveUpdateSvc services that allows local attackers to escalate privileges. Attackers can insert a malicious executable file in the unquoted service path and trigger privilege escalation when the service restarts or the system reboots, executing code with LocalSystem privileges.
How severe is CVE-2016-20059?: CVE-2016-20059 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-2016-20059 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-20059?: CVE-2016-20059 affects Iobit Malware Fighter. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-20059?: 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.
Does CVE-2016-20059 have an EU (EUVD) identifier?: Yes. CVE-2016-20059 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-10867.
When was CVE-2016-20059 published?: CVE-2016-20059 was published on 2026-04-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:iobit:malware_fighter:*:*:*:*:free:*:*:*

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