CVE-2021-43768

Unknown Unknown - Not Provided

BaseFortify

Publication date: 2025-10-24

Last updated on: 2025-10-27

Assigner: MITRE

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-10-24

Last Modified

2025-10-27

Generated

2026-07-06

AI Q&A

2025-10-24

EPSS Evaluated

2026-07-05

NVD

CVE-2021-43768

EUVD

EUVD-2021-30675

Affected Vendors & Products

Vendor	Product	Version / Range
malwarebytes	malwarebytes_for_teams	4.1.2.73
malwarebytes	malwarebytes_for_teams	1.0.990

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-269	The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Attack-Flow Graph

Executive Summary

This vulnerability is a privilege escalation issue in Malwarebytes For Teams version 1.0.990 and earlier. It occurs via the COM interface running in the mbamservice.exe process, allowing an attacker to gain higher privileges than intended.

Impact Analysis

The vulnerability can allow an attacker to escalate their privileges on the affected system, potentially gaining unauthorized access to sensitive functions or data, which could lead to further compromise of the system.

Mitigation Strategies

Update Malwarebytes For Teams to version 1.0.1003 or later, as the vulnerability is fixed in these versions.

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