High severity · published Jun 19, 2026
CVE-2022-50971
Malwarebytes 4.5 Unquoted Service Path Privilege Escalation
7.8
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 13% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Malwarebytes · Malwarebytes
4.5.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-50971
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-50971
VDB Entry
https://www.exploit-db.com/exploits/50806
Product
https://www.malwarebytes.com/
Product
https://www.malwarebytes.com/mwb-download/
Third Party Advisory
https://www.vulncheck.com/advisories/malwarebytes-unquoted-service-path-privilege-escalation
More from Malwarebytes
7.8
CVE-2023-29145
The Malwarebytes EDR 1.0.11 for Linux driver doesn't properly ensure whitelisting of executable libraries loaded by executable files, allowing arbitrary code execution
7.8
CVE-2023-26088
In Malwarebytes before 4.5.23, a symbolic link may be used delete any arbitrary file on the system by exploiting the local quarantine system
7.8
CVE-2018-5279
In Malwarebytes Premium 3.3.1.2183, the driver file (FARFLT.SYS) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not…
7.8
CVE-2018-5277
In Malwarebytes Premium 3.3.1.2183, the driver file (FARFLT.SYS) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not…
7.8
CVE-2018-5276
In Malwarebytes Premium 3.3.1.2183, the driver file (FARFLT.SYS) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not…