CVE-2020-36976

Global Registration Service 1.0.0.3 - 'GREGsvc.exe' Unquoted Service Path

CVSS 8.5 HIGHEPSS 0.2%CWE-428

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.5EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

27 Jan 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Acer Global Registration Service 1.0.0.3 contains an unquoted service path vulnerability in its service configuration that allows local users to potentially execute arbitrary code. Attackers can exploit the unquoted path in C:\Program Files (x86)\Acer\Registration\ to inject malicious executables that would run with elevated LocalSystem privileges during service startup.

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

Affected products

Acer · Global Registration Service

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References

https://www.acer.com/ac/en/US/content/home https://www.exploit-db.com/exploits/49142 https://www.vulncheck.com/advisories/global-registration-service-gregsvcexe-unquoted-service-path