What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-06-19 · updated 2026-10-06
• Weakness: CWE-428

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.

Affected products

• Malwarebytes: through 4.5.0

References

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

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