CVE-2022-50971

HIGH 7.8

Malwarebytes 4.5 Unquoted Service Path Privilege Escalation

CVSS Score

7.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-428
Vendor	malwarebytes
Product	malwarebytes
Published	Jun 19, 2026

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CVSS v3 Breakdown

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Malwarebytes / Malwarebytes

4.5.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/50806 malwarebytes.com: https://www.malwarebytes.com/ malwarebytes.com: https://www.malwarebytes.com/mwb-download/ vulncheck.com: https://www.vulncheck.com/advisories/malwarebytes-unquoted-service-path-privilege-escalation

Credits

Hejap Zairy