CVE-2016-20059

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.17% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 7.1% of scored records. A rank, not a probability.

NVD base score

8.5 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-21.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-04-04 13:51Z6 MO AGO

Last updated

2026-04-06 15:28Z6 MO AGO

Reserved

2026-04-04

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

High (CVSS 8.5)

CNA CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Weaknesses

• CWE-428Unquoted Search Path or ElementBase

Data version

5.2

Document digest

0be0e0e0131b0eee6b7a010ba7ebe23144bbc3d38d6654e37537bf44014e2ca1

• www.exploit-db.comExploitDB-40525https://www.exploit-db.com/exploits/40525exploit
• www.iobit.comOfficial Product Homepagehttp://www.iobit.com/en/index.phpproduct
• www.iobit.comProduct Referencehttp://www.iobit.com/downloadcenter.php?product=malware-fighter-freeproduct
• www.vulncheck.comVulnCheck Advisory: IObit Malware Fighter 4.3.1 Unquoted Service Path Privilege Escalationhttps://www.vulncheck.com/advisories/iobit-malware-fighter-unquoted-service-path-privilege-escalationthird-party-advisory