What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-21 · updated 2026-06-17
• Weakness: CWE-428

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.

Affected products

• HI-REZ STUDIOS HiPatchService: 5.1.6.3

References

• https://www.exploit-db.com/exploits/49701
• https://www.hirezstudios.com
• https://www.vulncheck.com/advisories/hi-rez-studios-hipatchservice-unquoted-service-path

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