CVE-2016-20086

HIGHPre-NVD 7.87.8—
EchelonGraph scoreHIGH confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-19. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
7.8
EG Score
7.8(high)
EPSS
1.7%
KEV
Not listed

Published

June 19, 2026

Last Modified

June 22, 2026

Advisory Details (2)

Auto-updated Jun 22, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

Vembu StoreGrid 4.0 Unquoted Service Path Privilege Escalation | Advisories | VulnCheck

https://www.vulncheck.com/advisories/vembu-storegrid-unquoted-service-path-privilege-escalation
generic🟡 PoC Available

Vembu StoreGrid 4.0 - Unquoted Service Path Privilege Escalation - Windows local Exploit

https://www.exploit-db.com/exploits/40582

Vendor Advisories for CVE-2016-20086(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 33× in last 7d / 87× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 21:33 UTCEG score recompute
  2. 2026-07-06 21:33 UTCGHSA enrichment
  3. 2026-07-06 09:38 UTCEG score recompute
  4. 2026-07-06 09:38 UTCGHSA enrichment
  5. 2026-07-06 02:20 UTCEPSS rescore
  6. 2026-07-06 02:20 UTCEPSS rescore
  7. 2026-07-05 21:36 UTCEG score recompute
  8. 2026-07-05 21:36 UTCGHSA enrichment
  9. 2026-07-05 10:18 UTCEG score recompute
  10. 2026-07-05 10:18 UTCGHSA enrichment
  11. 2026-07-05 02:27 UTCEPSS rescore
  12. 2026-07-04 23:00 UTCEG score recompute
  13. 2026-07-04 23:00 UTCGHSA enrichment
  14. 2026-07-04 11:42 UTCEG score recompute
  15. 2026-07-04 11:42 UTCGHSA enrichment
  16. 2026-07-04 06:28 UTCEPSS rescore
  17. 2026-07-04 00:24 UTCEG score recompute
  18. 2026-07-04 00:24 UTCGHSA enrichment
  19. 2026-07-03 13:07 UTCEG score recompute
  20. 2026-07-03 13:07 UTCGHSA enrichment
  21. 2026-07-03 01:49 UTCEG score recompute
  22. 2026-07-03 01:49 UTCGHSA enrichment
  23. 2026-07-02 14:31 UTCEG score recompute
  24. 2026-07-02 14:30 UTCGHSA enrichment
  25. 2026-07-02 03:13 UTCEG score recompute
Show 62 more
  1. 2026-07-02 03:13 UTCGHSA enrichment
  2. 2026-07-01 15:55 UTCEG score recompute
  3. 2026-07-01 15:55 UTCGHSA enrichment
  4. 2026-07-01 04:38 UTCEG score recompute
  5. 2026-07-01 04:38 UTCGHSA enrichment
  6. 2026-06-30 23:19 UTCEPSS rescore
  7. 2026-06-30 17:18 UTCEG score recompute
  8. 2026-06-30 17:18 UTCGHSA enrichment
  9. 2026-06-30 05:47 UTCEG score recompute
  10. 2026-06-30 05:47 UTCGHSA enrichment
  11. 2026-06-29 18:29 UTCEG score recompute
  12. 2026-06-29 18:29 UTCGHSA enrichment
  13. 2026-06-29 07:12 UTCEG score recompute
  14. 2026-06-29 07:12 UTCGHSA enrichment
  15. 2026-06-28 19:52 UTCEG score recompute
  16. 2026-06-28 19:52 UTCGHSA enrichment
  17. 2026-06-28 14:04 UTCEPSS rescore
  18. 2026-06-28 08:34 UTCEG score recompute
  19. 2026-06-28 08:34 UTCGHSA enrichment
  20. 2026-06-28 04:53 UTCEPSS rescore
  21. 2026-06-27 21:15 UTCEG score recompute
  22. 2026-06-27 21:15 UTCGHSA enrichment
  23. 2026-06-27 09:57 UTCEG score recompute
  24. 2026-06-27 09:57 UTCGHSA enrichment
  25. 2026-06-27 03:05 UTCEPSS rescore
  26. 2026-06-27 03:05 UTCEPSS rescore
  27. 2026-06-26 22:39 UTCEG score recompute
  28. 2026-06-26 22:39 UTCGHSA enrichment
  29. 2026-06-26 11:20 UTCEG score recompute
  30. 2026-06-26 11:20 UTCGHSA enrichment
  31. 2026-06-25 19:15 UTCEG score recompute
  32. 2026-06-25 19:15 UTCGHSA enrichment
  33. 2026-06-25 13:47 UTCEPSS rescore
  34. 2026-06-25 13:47 UTCEPSS rescore
  35. 2026-06-25 07:58 UTCEG score recompute
  36. 2026-06-25 07:58 UTCGHSA enrichment
  37. 2026-06-24 20:40 UTCEG score recompute
  38. 2026-06-24 20:40 UTCGHSA enrichment
  39. 2026-06-24 09:21 UTCEG score recompute
  40. 2026-06-24 09:21 UTCGHSA enrichment
  41. 2026-06-23 22:03 UTCEG score recompute
  42. 2026-06-23 22:03 UTCGHSA enrichment
  43. 2026-06-23 21:30 UTCEPSS rescore
  44. 2026-06-23 10:42 UTCEG score recompute
  45. 2026-06-23 10:42 UTCGHSA enrichment
  46. 2026-06-22 23:24 UTCEG score recompute
  47. 2026-06-22 23:24 UTCGHSA enrichment
  48. 2026-06-22 19:38 UTCNVD updateCVSS v4 → 8.5
  49. 2026-06-22 12:07 UTCEG score recompute
  50. 2026-06-22 12:07 UTCGHSA enrichment
  51. 2026-06-22 00:44 UTCEG score recompute
  52. 2026-06-22 00:44 UTCGHSA enrichment
  53. 2026-06-21 13:14 UTCEG score recompute
  54. 2026-06-21 13:14 UTCGHSA enrichment
  55. 2026-06-21 01:54 UTCEG score recompute
  56. 2026-06-21 01:54 UTCGHSA enrichment
  57. 2026-06-20 14:35 UTCEG score recompute
  58. 2026-06-20 14:35 UTCGHSA enrichment
  59. 2026-06-20 03:16 UTCEG score recompute
  60. 2026-06-20 03:16 UTCGHSA enrichment
  61. 2026-06-19 15:57 UTCEG score recompute
  62. 2026-06-19 15:57 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2016-20086?
CVE-2016-20086 is a high vulnerability published on June 19, 2026. 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…
When was CVE-2016-20086 disclosed?
CVE-2016-20086 was first published in the National Vulnerability Database on June 19, 2026, with the most recent update on June 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-20086 actively exploited?
CVE-2016-20086 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2016-20086?
CVE-2016-20086 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2016-20086?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-20086, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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