CVE-2026-45584 PUBLISHED

Microsoft Defender Remote Code Execution Vulnerability

Assigner: microsoft
Reserved: 12.05.2026 Published: 20.05.2026 Updated: 20.05.2026

Heap-based buffer overflow in Microsoft Defender allows an unauthorized attacker to execute code over a network.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS Score: 8.1

Product Status

Vendor Microsoft
Product Microsoft Malware Protection Engine
Versions
  • Version - is affected

References

Problem Types