High severity · published Jan 27, 2026
CVE-2020-36976
Global Registration Service 1.0.0.3 - 'GREGsvc.exe' Unquoted Service Path
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GR
Global Registration Service · Acer
1.0.0.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-36976
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-36976
www.acer.com
https://www.acer.com/ac/en/US/content/home
www.exploit-db.com
https://www.exploit-db.com/exploits/49142
www.vulncheck.com
https://www.vulncheck.com/advisories/global-registration-service-gregsvcexe-unquoted-service-path
