CVE-2022-50971

Malwarebytes 4.5 Unquoted Service Path Privilege Escalation

Published Jun 19, 2026 CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:malwarebytes:malwarebytes:4.5.0:*:*:*:*:windows:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Malwarebytes
Malwarebytes malwarebytes
Vendors & Products Malwarebytes
Malwarebytes malwarebytes
Type Values Removed Values Added
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.
Title Malwarebytes 4.5 Unquoted Service Path Privilege Escalation
Weaknesses CWE-428
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jul 15, 2026, 1:24 AM
Reserved
Jan 11, 2026, 1:34 PM
Status
Analyzed
Published
Jun 19, 2026, 3:16 PM
Modified
Oct 6, 2026, 10:10 PM