CVE-2016-20086

HIGH

Vembu StoreGrid 4.0 Unquoted Service Path Privilege Escalation

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2016-20086. PoCs published by Joey Lane.

AI-analyzed exploit summary This is a technical writeup describing an unquoted service path privilege escalation vulnerability in Vembu StoreGrid. The vulnerability allows a local attacker to escalate privileges by placing a malicious executable in the path of the service, which will be executed with elevated privileges upon service restart.

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.

Exploits (1)

exploitdb WRITEUP
by Joey Lane · textlocalwindows
https://www.exploit-db.com/exploits/40582

This is a technical writeup describing an unquoted service path privilege escalation vulnerability in Vembu StoreGrid. The vulnerability allows a local attacker to escalate privileges by placing a malicious executable in the path of the service, which will be executed with elevated privileges upon service restart.

Classification
Writeup 90%
Attack Type
Lpe
Complexity
Trivial
Reliability
Reliable
Target: Vembu StoreGrid 4.0
Auth required
Prerequisites: Local access to the system · Ability to place an executable in the service path
devstral-2 · analyzed Jun 19, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit exploit
ExploitDB-40582
https://www.exploit-db.com/exploits/40582
Third Party Advisory third-party-advisory
VulnCheck Advisory: Vembu StoreGrid 4.0 Unquoted Service Path Privilege Escalation
https://www.vulncheck.com/advisories/vembu-storegrid-unquoted-service-path-privilege-escalation

Scores

CVSS v3 7.8
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-428
Status published
Products (1)
Vembu/Vembu StoreGrid 4.0
Published Jun 19, 2026
Tracked Since Jun 19, 2026