CVE-2022-50971

Name: CVE-2022-50971
Creator: NVD / NIST
Published: 2026-06-19T15:16:34.56+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.5/10EPSS 0.12%

Last modified Jun 26, 2026

CVE-2022-50971 is a high-severity vulnerability rated 8.5/10 on the CVSS scale. 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.. EPSS estimates a 0.12% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.8/10

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

CVSS 4.0

8.5/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.12%

1.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-428

Affected Software

Vendor	Product	Versions
Malwarebytes	Malwarebytes	<= 4.5.0

References

https://www.exploit-db.com/exploits/50806VDB Entry, Exploit
https://www.malwarebytes.com/Product
https://www.malwarebytes.com/mwb-download/Product
https://www.vulncheck.com/advisories/malwarebytes-unquoted-service-path-privilege-escalationThird Party Advisory

Timeline

Published: Jun 19, 2026
Last Modified: Jun 26, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2022-50971?

How severe is CVE-2022-50971?

CVE-2022-50971 has a CVSS score of 8.5/10 (HIGH severity). The EPSS model estimates a 0.12% probability of exploitation in the next 30 days.

How do I fix CVE-2022-50971?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-50971?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST