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.

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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
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