CVE-2022-50971: Malwarebytes 4.5 Unquoted Service Path Privilege Escalation

Published Jun 19, 2026
·
Updated

Malwarebytes 4.5 contains an unquoted service path vulnerability in the MBAMService executable that allows local attackers to escalate privileges by injecting malicious code into the system root path. Attackers can place executable files in unquoted path directories that execute with LocalSystem privileges during service startup or system reboot.

Affected Software

2 affected components
Malwarebytes Malwarebytes=4.5
Malwarebytes Malwarebytes Windows<=4.5.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Compensating control

    Remediate the unquoted service path privilege escalation in Malwarebytes 4.5 (MBAMService) by ensuring the service executable path used at startup/reboot is properly quoted and does not allow execution from an untrusted directory.

Event History

Jun 19, 2026
CVE Published
via MITRE·02:16 PM
Data Sourced
via MITRE·02:16 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:16 PM
DescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2022-50971?

The severity of CVE-2022-50971 is rated as high with a score of 8.5.

2

How do I fix CVE-2022-50971?

To fix CVE-2022-50971, update Malwarebytes to the latest version that addresses this unquoted service path vulnerability.

3

What does CVE-2022-50971 affect?

CVE-2022-50971 affects Malwarebytes 4.5 and allows local attackers to escalate privileges.

4

How is CVE-2022-50971 exploited?

CVE-2022-50971 can be exploited by placing malicious executable files in unquoted service path directories.

5

What are the potential impacts of CVE-2022-50971?

The potential impacts of CVE-2022-50971 include privilege escalation and the execution of malicious code with LocalSystem privileges.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203