How severe is CVE-2022-50971?

CVE-2022-50971 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-50971 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-50971?

CVE-2022-50971 affects Malwarebytes. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-50971?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2022-50971 have an EU (EUVD) identifier?

Yes. CVE-2022-50971 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-56007.

When was CVE-2022-50971 published?

CVE-2022-50971 was published on 2026-06-19 and last updated on 2026-06-26.

CVE-2022-50971

CVE-2022-50971 is a high-severity vulnerability in Malwarebytes with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-428.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 8.5
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2022-56007
Weakness: CWE-428
Affected product: Malwarebytes
Published: 2026-06-19
Last modified: 2026-06-26

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.

Frequently asked questions

What is CVE-2022-50971?: 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.
How severe is CVE-2022-50971?: CVE-2022-50971 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-50971 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-50971?: CVE-2022-50971 affects Malwarebytes. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-50971?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2022-50971 have an EU (EUVD) identifier?: Yes. CVE-2022-50971 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-56007.
When was CVE-2022-50971 published?: CVE-2022-50971 was published on 2026-06-19 and last updated on 2026-06-26.

References

Affected products (1)

cpe:2.3:a:malwarebytes:malwarebytes:*:*:*:*:*:windows:*:*

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