How severe is CVE-2016-20056?

CVE-2016-20056 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-2016-20056 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2016-20056?

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-2016-20056 have an EU (EUVD) identifier?

Yes. CVE-2016-20056 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-10863.

When was CVE-2016-20056 published?

CVE-2016-20056 was published on 2026-04-04 and last updated on 2026-06-17.

CVE-2016-20056

CVE-2016-20056 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% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2016-10863
Weakness: CWE-428
Published: 2026-04-04
Last modified: 2026-06-17

Description

Spy Emergency build 23.0.205 contains an unquoted service path vulnerability in the SpyEmrgHealth and SpyEmrgSrv services that allows local attackers to escalate privileges by inserting malicious executables. Attackers can place executable files in the unquoted service path and trigger service restart or system reboot to execute code with LocalSystem privileges.

Frequently asked questions

What is CVE-2016-20056?: Spy Emergency build 23.0.205 contains an unquoted service path vulnerability in the SpyEmrgHealth and SpyEmrgSrv services that allows local attackers to escalate privileges by inserting malicious executables. Attackers can place executable files in the unquoted service path and trigger service restart or system reboot to execute code with LocalSystem privileges.
How severe is CVE-2016-20056?: CVE-2016-20056 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-2016-20056 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2016-20056?: 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-2016-20056 have an EU (EUVD) identifier?: Yes. CVE-2016-20056 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-10863.
When was CVE-2016-20056 published?: CVE-2016-20056 was published on 2026-04-04 and last updated on 2026-06-17.

References

Other CWE-428 vulnerabilities

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CVE-2019-17658 — Critical (CVSS 9.8): An unquoted service path vulnerability in the FortiClient FortiTray component of FortiClientWindows v6.2.2 and prior…
CVE-2019-8459 — Critical (CVSS 9.8): Check Point Endpoint Security Client for Windows, with the VPN blade, before version E80.83, starts a process without…

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