CVE-2026-55011 — Microsoft Defender Remote Code Execution Vulnerability

Integer underflow (wrap or wraparound) in Microsoft Defender allows an unauthorized attacker to execute code locally.

Published: 2026-07-14 · CVSS: 7.8 · CVSS 3.1

Integer underflow (wrap or wraparound) in Microsoft Defender allows an unauthorized attacker to execute code locally.

Original CVE JSON · STIX 2.1

Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7