CVE-2026-23666

CVE-2026-23666 is described in connected sources as a race condition Denial of Service flaw in the .NET Framework caused by concurrent access to a shared resource. Public writeups (Qualys blog and NCSC) confirm a DoS impact over the network, without detailing specific affected versions. The initi...

April 14, 2026-Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 (KB5084069)

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