High severity7.8NVD Advisory· Published Jul 14, 2026· Updated Jul 24, 2026
CVE-2026-55012
CVE-2026-55012
Description
Integer overflow or wraparound in Microsoft Defender allows an unauthorized attacker to execute code locally.
Affected products
2- cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*Range: <1.1.26060.3008
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55012nvdVendor Advisory
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