Hi-Rez Studios 5.1.6.3 - 'HiPatchService' Unquoted Service Path | Advisories

Advisories

Hi-Rez Studios 5.1.6.3 - 'HiPatchService' Unquoted Service Path

severity: high
date: January 21, 2026
Affecting: HiPatchService 5.1.6.3
CVE: CVE-2021-47862
CWE: CWE-428 Unquoted Search Path or Element
CVSS: 8.5
CVSS V4 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
References: ExploitDB-49701
Hi-Rez Studios Official Homepage
Credit: Ekrem Can Kök
Description: Hi-Rez Studios 5.1.6.3 contains an unquoted service path vulnerability in the HiPatchService that allows local attackers to execute code with elevated privileges. Attackers can exploit the unquoted path during system startup or reboot to inject and run malicious executables with LocalSystem permissions.