Unquoted Service Path Vulnerability in Hi-Rez Studios Product
CVE-2021-47862

8.5HIGH

Key Information:

Vendor

Hi-rez StudiOS

Status
Hipatchservice
Vendor
CVE Published:
21 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47862?

The Hi-Rez Studios 5.1.6.3 version contains a significant unquoted service path vulnerability in the HiPatchService. This flaw allows local attackers to exploit the service during system startup or reboot, potentially injecting and executing malicious code with elevated LocalSystem privileges. Such exploitation can lead to serious security breaches, enabling unauthorized access and control over the affected systems.

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Affected Version(s)

HiPatchService 5.1.6.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-47862 - Proof of Concept

References

https://www.exploit-db.com/exploits/49701
exploit
https://www.hirezstudios.com
product
https://www.vulncheck.com/advisories/hi-rez-studios-hipat...
third-party-advisory

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ekrem Can Kök
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