Unquoted Service Path Vulnerability in Malwarebytes 4.5
CVE-2022-50971

8.5HIGH

Key Information:

Vendor

Malwarebytes

Status
Malwarebytes
Vendor
CVE Published:
19 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2022-50971?

Malwarebytes 4.5 contains a vulnerability in its MBAMService executable related to unquoted service paths. This allows local attackers to escalate their privileges by injecting malicious code into designated system directories. When service startup or system reboot occurs, executables placed in these unquoted paths can be executed with LocalSystem privileges, potentially compromising system integrity and security.

Affected Version(s)

Malwarebytes 4.5.0

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-2022-50971 - Proof of Concept

References

https://www.exploit-db.com/exploits/50806
exploit
https://www.malwarebytes.com/
product
https://www.malwarebytes.com/mwb-download/
product

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

Hejap Zairy
.