CVE-2016-20086
CVE-2016-20086 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-2016-10899
- Weakness: CWE-428
- Published:
- Last modified:
Description
Vembu StoreGrid 4.0 contains an unquoted service path vulnerability in the RemoteBackup and RemoteBackup_webServer services that allows local attackers to escalate privileges. Attackers can place a malicious executable in the unquoted path and restart the service to execute code with LocalSystem privileges.
Frequently asked questions
- What is CVE-2016-20086?
- Vembu StoreGrid 4.0 contains an unquoted service path vulnerability in the RemoteBackup and RemoteBackup_webServer services that allows local attackers to escalate privileges. Attackers can place a malicious executable in the unquoted path and restart the service to execute code with LocalSystem privileges.
- How severe is CVE-2016-20086?
- CVE-2016-20086 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-2016-20086 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-2016-20086?
- 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-2016-20086 have an EU (EUVD) identifier?
- Yes. CVE-2016-20086 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-10899.
- When was CVE-2016-20086 published?
- CVE-2016-20086 was published on 2026-06-19 and last updated on 2026-06-22.
References
- https://www.exploit-db.com/exploits/40582
- https://www.vulncheck.com/advisories/vembu-storegrid-unquoted-service-path-privilege-escalation
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