Unquoted Service Path Vulnerability in Acer Updater Service
CVE-2021-47825

8.5HIGH

Key Information:

Vendor

Acer

Status
Acer Updater Service
Vendor
CVE Published:
16 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47825?

The Acer Updater Service version 1.2.3500.0 is vulnerable due to an unquoted service path. This flaw permits local users to execute arbitrary code by placing a malicious executable in the service's search path. When the service starts, the malicious executable runs with LocalSystem privileges, potentially granting attackers full control over the affected system.

Affected Version(s)

Acer Updater Service 1.2.3500.0

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-2021-47825 - Proof of Concept

References

https://www.exploit-db.com/exploits/49890
exploit
https://www.acer.com/ac/en/US/content/home
product
https://www.vulncheck.com/advisories/acer-updater-service...
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
.