CVE-2026-45584
published 2026-05-20CVE-2026-45584: Heap-based buffer overflow in Microsoft Defender allows an unauthorized attacker to execute code over a network.
high8.1CVSS 3.1
AVNACHPRNUINSUCHIHAH
Heap-based buffer overflow in Microsoft Defender allows an unauthorized attacker to execute code over a network.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | malware_protection_engine | >= 1.1.26030.3008 < 1.1.26040.8 | 1.1.26040.8 |
| microsoft | microsoft_malware_protection_engine | >= 1.1.0.0 < 1.1.26040.8 | 1.1.26040.8 |