CVE-2026-45584

Name of the Vulnerable Software and Affected Versions Microsoft Defender (affected versions not specified)

Description A heap-based buffer overflow exists in Microsoft Defender. This issue allows an unauthorized attacker to execute arbitrary code over a network. A heap-based buffer overflow occurs when a program writes more data to a heap memory buffer than it can hold, potentially corrupting memory and allowing for code execution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.