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CVE-2026-23666

7.5 high SSVC exploitation: none Modified
NVD · CVE.org

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

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 7.5 · microsoftNVD modified 2026-10-26 21:10

Affected (CPE criteria) 7

  • cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*

References 4