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CVE-2026-45584

8.1 HIGH

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

Published: 2026-05-20 · Last updated: 2026-05-20

Severity and scoring

CVSS
8.1 HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-122

Affected products

VendorProduct
microsoftmalware_protection_engine

Description

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

Source: NVD

References

Related CVEs

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