Race Condition Vulnerability in Malwarebytes by Malwarebytes
CVE-2023-43687

6.5MEDIUM

Key Information:

Vendor

Malwarebytes

Status
Malwarebytes
Vendor
CVE Published:
14 August 2025

What is CVE-2023-43687?

A race condition vulnerability has been identified in Malwarebytes versions before 4.6.14.326 and 5.1.5.116, as well as in Nebula 2020-10-21 and later. This issue stems from an insufficient locking mechanism between file verification and execution processes, allowing for potential code execution by an unauthorized actor. Users are advised to update their software to the latest versions to mitigate this risk.

References

https://www.malwarebytes.com/secure/cves/cve-2023-43687

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.