CVE-2022-50971 - CVE House

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Status published High CVE-2022-50971

Malwarebytes 4.5 Unquoted Service Path Privilege Escalation

8.5 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Hejap Zairy

References

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Affected Vendor

Malwarebytes

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Affected Software

Malwarebytes

Vulnerable Versions:

4.5.0

Timeline

Official Publish: June 19th, 2026

Last Modified: July 15th, 2026

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1574 Hijack Execution Flow

Privilege Escalation

T1036 Masquerading

Defense Evasion

T1543 Create or Modify System Process

T1059 Command and Scripting Interpreter

T1569 System Services