CVE-2021-47862 HIGH

CVE-2021-47862: Hi-Rez Studios 5.1.6.3 - 'HiPatchService' Unquoted Service Path

Vendor Hi-Rez Studios
Product HiPatchService
Weakness CWE-428
Published January 21, 2026
Last update January 22, 2026
View on NVD All CVEs

CVSS base score

8.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 21, 2026 CVE published
January 22, 2026 Record updated