CVE-2026-55011

Description

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

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Produits concernés

• Microsoft Malware Protection Engine

Scores CVSS

Faiblesses (CWE)

• CWE-191

Références

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55011 Vendor Advisory

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories