How severe is CVE-2016-20087?

CVE-2016-20087 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-2016-20087 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2016-20087?

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-2016-20087 have an EU (EUVD) identifier?

Yes. CVE-2016-20087 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-10900.

When was CVE-2016-20087 published?

CVE-2016-20087 was published on 2026-06-19 and last updated on 2026-06-23.

CVE-2016-20087

CVE-2016-20087 is a high-severity vulnerability 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% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2016-10900
Weakness: CWE-428
Published: 2026-06-19
Last modified: 2026-06-23

Description

Fortitude HTTP 1.0.4.0 contains an unquoted service path vulnerability that allows local users to execute arbitrary code with elevated privileges by exploiting the service binary path. Attackers can insert malicious executables in the system root path that execute with SYSTEM privileges during service startup or system reboot.

Frequently asked questions

What is CVE-2016-20087?: Fortitude HTTP 1.0.4.0 contains an unquoted service path vulnerability that allows local users to execute arbitrary code with elevated privileges by exploiting the service binary path. Attackers can insert malicious executables in the system root path that execute with SYSTEM privileges during service startup or system reboot.
How severe is CVE-2016-20087?: CVE-2016-20087 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-2016-20087 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2016-20087?: 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-2016-20087 have an EU (EUVD) identifier?: Yes. CVE-2016-20087 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-10900.
When was CVE-2016-20087 published?: CVE-2016-20087 was published on 2026-06-19 and last updated on 2026-06-23.

References

Other CWE-428 vulnerabilities

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