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

High 8.5 Published Updated

Local attackers can escalate privileges to LocalSystem by placing malicious executables in unquoted service path directories during startup.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-50971?

CVE-2022-50971 is a high-severity vulnerability in Malwarebytes, published on 19 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-428

Which versions are affected by CVE-2022-50971?

It affects 1 product.

Products include Malwarebytes Malwarebytes.

How do I fix CVE-2022-50971?

No fix has been published for CVE-2022-50971 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-50971 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-50971 exists.

Sources

Also known as GHSA-h259-67jx-3q85.

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