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CVE-2026-23666

HIGH CVSS: 7.5 Published: 2026-04-14 Modified: 2026-07-15

Description

Improper input validation in .NET Framework allows an unauthorized attacker to deny service over a network.

Affected Platforms

Microsoft Windows 10 21H2Microsoft Windows 11 24H2Microsoft Windows 10 22H2Microsoft Windows Server 2025Microsoft Windows 11 26H1Microsoft Windows Server 2022Microsoft Windows 10 1607Microsoft Windows 10 1809Microsoft Windows Server 2012Microsoft Windows 11 25H2

Weakness Type

CWE-755, CWE-366

References