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high advisory

Microsoft Security Updates — July 2026

Roundup of Microsoft security advisories published in July 2026.

PoC PowerShell +516 roundup
10c 227i updated
medium advisory

CVE-2026-42899 - ASP.NET Core Infinite Loop Denial of Service

CVE-2026-42899 describes an infinite loop vulnerability in ASP.NET Core that allows an unauthorized attacker to perform a denial of service attack over a network.

ASP.NET Core denial-of-service asp.net CVE-2026-42899
2r 1t 1c