{"id":"CVE-2022-50971","title":"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","summary":"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…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-428"],"vendor":"malwarebytes","product":"malwarebytes","affected":["malwarebytes <= 4.5.0"],"published":"2026-06-19","updated":"2026-09-29","sourceUpdated":"2026-09-29T09:10:00.157","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-50971","references":[{"url":"https://www.exploit-db.com/exploits/50806","label":"disclosure@vulncheck.com"},{"url":"https://www.malwarebytes.com/","label":"disclosure@vulncheck.com"},{"url":"https://www.malwarebytes.com/mwb-download/","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/malwarebytes-unquoted-service-path-privilege-escalation","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.00225,"epssPercentile":0.1181,"ingestedAt":"2026-09-29T09:30:49.077Z","slug":"CVE-2022-50971","body":"## Overview\n\nMalwarebytes 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.\n\n## Affected\n\n- `malwarebytes <= 4.5.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}