Vulnerability in Hi-Rez Studios Hipatchservice
CVE-2021-47862
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (3.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000
Affected products
- Hi-Rez Studios Hipatchservice — versions 5.1.6.3
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/49701 (exploit)
- www.hirezstudios.com (product)
- www.vulncheck.com/advisories/hi-rez-studios-hipatchservice-unquoted-service-path (third-party-advisory)
Frequently asked questions
- What is CVE-2021-47862?
- CVE-2021-47862 is a high-severity vulnerability in Hi-Rez Studios Hipatchservice, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-01-21.
- How severe is CVE-2021-47862?
- High severity. CVSS v3 base score is 7.8 out of 10.