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CVE-2026-40406
HIGH
CVSS: 7.5
Published: 2026-05-12
Modified: 2026-06-17
Description
Use after free in Windows TCP/IP allows an unauthorized attacker to disclose information over a network.
Affected Platforms
Microsoft Windows Server 2016Microsoft Windows 11 25H2Microsoft Windows 10 21H2Microsoft Windows 11 24H2Microsoft Windows Server 2019Microsoft Windows 10 22H2Microsoft Windows Server 2025Microsoft Windows 11 26H1Microsoft Windows Server 2022Microsoft Windows 10 1809