Unquoted Service Path Vulnerability in Acer Global Registration Service
CVE-2020-36976

8.5HIGH

Key Information:

Vendor

Acer

Status
Global Registration Service
Vendor
CVE Published:
27 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-36976?

The Acer Global Registration Service version 1.0.0.3 features an unquoted service path vulnerability that can be exploited by local users. This vulnerability enables attackers to execute arbitrary code by injecting malicious executables into the unquoted service path located at C:\Program Files (x86)\Acer\Registration. The malicious code runs with elevated LocalSystem privileges during the service startup, posing a significant risk to system integrity.

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Affected Version(s)

Global Registration Service 1.0.0.3

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-2020-36976 - Proof of Concept

References

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

Emmanuel Lujan
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