Description
Integer underflow (wrap or wraparound) in Microsoft Defender allows an unauthorized attacker to execute code locally.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Microsoft Malware Protection Engine | 1.1.0.0 – < 1.1.26060.3008 | 1.1.26060.3008 |
Advisories 3
- WID-SEC-2026-2322 Microsoft Malware Protection Engine und Defender: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 14, 2026
- NCSC-2026-0236 Kwetsbaarheden verholpen in Microsoft Defender NCSC-NL (Netherlands) · Jul 14, 2026
- MSRC-CVE-2026-55011 Microsoft Defender Remote Code Execution Vulnerability Microsoft Security Response Center · Jul 14, 2026
References
- Microsoft Defender Remote Code Execution Vulnerability vendor-advisory patch