8.1
High
CVE-2026-45584 Heap-based buffer overflow in Microsoft Defender allows an unauthorized attacker to execute code over a network
Description
Heap-based buffer overflow in Microsoft Defender allows an unauthorized attacker to execute code over a network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft Malware Protection Engine 1.1 | 1.1.0.0 → < 1.1.26040.8 | 1.1.26040.8 |
References
- Microsoft Defender Remote Code Execution Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
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