Is there a public PoC exploit available for CVE-2016-20056?

Yes, a public proof-of-concept exploit is available for CVE-2016-20056. Prioritise patching immediately. EPSS: 0.0%.

Spy Emergency CVE-2016-20056

Q: What is the CVSS score of CVE-2016-20056?

CVE-2016-20056 has a CVSS 4.0 base score of 8.5 (High). 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. EPSS exploitation probability: 0.0%.

EUVD-2016-10863 HIGH

Unquoted Search Path or Element (CWE-428)

2026-04-04 VulnCheck

GHSA-3mg4-q3v6-5gmc

Privilege Escalation Spy Emergency

8.5

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

8.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

PoC Detected

Apr 07, 2026 - 13:20 vuln.today

Public exploit code

EUVD ID Assigned

Apr 04, 2026 - 14:00 euvd

EUVD-2016-10863

CVE Published

Apr 04, 2026 - 13:50 nvd

HIGH 8.5

DescriptionCVE.org

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.

AnalysisAI

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. Rated high severity (CVSS 8.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-428. 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. Affected products include: Spy-Emergency Spy Emergency.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.