How severe is CVE-2021-43768?

CVE-2021-43768 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-43768 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2021-43768?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2021-43768 have an EU (EUVD) identifier?

Yes. CVE-2021-43768 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-30675.

When was CVE-2021-43768 published?

CVE-2021-43768 was published on 2025-10-24 and last updated on 2026-06-17.

CVE-2021-43768

CVE-2021-43768 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. 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-269.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2021-30675
Weakness: CWE-269
Published: 2025-10-24
Last modified: 2026-06-17

Description

In Malwarebytes For Teams v.1.0.990 and before and fixed in v.1.0.1003 and later a privilege escalation can occur via the COM interface running in mbamservice.exe.

Frequently asked questions

What is CVE-2021-43768?: In Malwarebytes For Teams v.1.0.990 and before and fixed in v.1.0.1003 and later a privilege escalation can occur via the COM interface running in mbamservice.exe.
How severe is CVE-2021-43768?: CVE-2021-43768 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-43768 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2021-43768?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2021-43768 have an EU (EUVD) identifier?: Yes. CVE-2021-43768 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-30675.
When was CVE-2021-43768 published?: CVE-2021-43768 was published on 2025-10-24 and last updated on 2026-06-17.

References

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