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CVE-2026-45584

HIGH CVSS 8.1 View on NVD ↗

Description

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

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products

microsoft/malware_protection_engine

References

Published: May 20, 2026 13:16 UTC Modified: May 20, 2026 18:56 UTC