CVE-2026-69304

Summary

Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service over a network.

Affected Software

VendorProductVersion RangeStatus
Microsoft.NET 10.010.0.0 < 10.0.12affected
Microsoft.NET 8.08.0.0 < 8.0.31affected
Microsoft.NET 9.09.0.0 < 9.0.20affected
MicrosoftASP.NET Core 10.010.0 < 10.0.12affected
MicrosoftASP.NET Core 11.011.0 < 11.0 RC1affected
MicrosoftASP.NET Core 8.08.0 < 8.0.31affected
MicrosoftASP.NET Core 9.09.0 < 9.0.20affected
MicrosoftMicrosoft Visual Studio 2022 version 17.1417.14.0 < 17.14.40affected
MicrosoftMicrosoft Visual Studio 2026 version 18.918.9.0 < 18.9.3affected

Weaknesses

  • CWE-409: CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References