7.8High
CVE-2026-55012Microsoft Defender Remote Code Execution Vulnerability
Description
Integer overflow or wraparound in Microsoft Defender allows an unauthorized attacker to execute code locally.
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
| Vendor | Product | Versions | |
|---|---|---|---|
| microsoft | malware protection engine | 1.1.0.0 – < 1.1.26060.3008 | |
| Microsoft | Microsoft Malware Protection Engine | 1.1.0.0 – < 1.1.26060.3008 |
References and patches
- Microsoft Defender Remote Code Execution Vulnerability vendor-advisorypatchVendor Advisory
CPE matches (NVD) (1)
cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*< 1.1.26060.3008