CVE-2026-42899

Aliases:GHSA-9v76-4qcc-frghBIT-dotnet-2026-42899BIT-dotnet-sdk-2026-42899
Advisory lineage Upstream: 0 Downstream: 19
Analyzed
Published: 12 May 2026, 16:59
Last modified:15 Jul 2026, 00:56

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.1 (cve.org)
EPSS Score
2.43% LOW
2% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

12 May 2026, 16:59
Published
Vulnerability first disclosed
15 Jul 2026, 00:56
Last Modified
Vulnerability information updated

Description

Loop with unreachable exit condition ('infinite loop') in ASP.NET Core allows an unauthorized attacker to deny service over a network.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 2.43%• Percentile: 82%

Techniques & Countermeasures

  • CWE-835•Loop with Unreachable Exit Condition ('Infinite Loop')

    The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

Affected Systems

  • microsoft•.net

    ≥ 8.0.0, < 8.0.27 | ≥ 9.0.0, < 9.0.16 | ≥ 10.0.0, < 10.0.8

  • microsoft•.net 10.0

    ≥ 10.0.0, < 10.0.8

  • microsoft•.net 8.0

    ≥ 8.0.0, < 8.0.27

  • microsoft•.net 9.0

    ≥ 9.0.0, < 9.0.16

  • NuGet•Microsoft.AspNetCore.App.Runtime.linux-arm

    ≥ 8.0.0, < 8.0.27 | ≥ 9.0.0, < 9.0.16 | ≥ 10.0.0, < 10.0.8

  • NuGet•Microsoft.AspNetCore.App.Runtime.linux-arm64

    ≥ 8.0.0, < 8.0.27 | ≥ 9.0.0, < 9.0.16 | ≥ 10.0.0, < 10.0.8

  • NuGet•Microsoft.AspNetCore.App.Runtime.linux-musl-arm

    ≥ 8.0.0, < 8.0.27 | ≥ 9.0.0, < 9.0.16 | ≥ 10.0.0, < 10.0.8

  • NuGet•Microsoft.AspNetCore.App.Runtime.linux-musl-arm64

    ≥ 8.0.0, < 8.0.27 | ≥ 9.0.0, < 9.0.16 | ≥ 10.0.0, < 10.0.8

  • NuGet•Microsoft.AspNetCore.App.Runtime.linux-musl-x64

    ≥ 8.0.0, < 8.0.27 | ≥ 10.0.0, < 10.0.8 | ≥ 9.0.0, < 9.0.16

  • NuGet•Microsoft.AspNetCore.App.Runtime.linux-x64

    ≥ 8.0.0, < 8.0.27 | ≥ 9.0.0, < 9.0.16 | ≥ 10.0.0, < 10.0.8

  • NuGet•Microsoft.AspNetCore.App.Runtime.osx-arm64

    ≥ 8.0.0, < 8.0.27 | ≥ 9.0.0, < 9.0.16 | ≥ 10.0.0, < 10.0.8

  • NuGet•Microsoft.AspNetCore.App.Runtime.osx-x64

    ≥ 8.0.0, < 8.0.27 | ≥ 9.0.0, < 9.0.16 | ≥ 10.0.0, < 10.0.8

  • NuGet•Microsoft.AspNetCore.App.Runtime.win-arm

    ≥ 8.0.0, < 8.0.27 | ≥ 9.0.0, < 9.0.16 | ≥ 10.0.0, < 10.0.8

  • NuGet•Microsoft.AspNetCore.App.Runtime.win-arm64

    ≥ 8.0.0, < 8.0.27 | ≥ 9.0.0, < 9.0.16 | ≥ 10.0.0, < 10.0.8

  • NuGet•Microsoft.AspNetCore.App.Runtime.win-x64

    ≥ 8.0.0, < 8.0.27 | ≥ 9.0.0, < 9.0.16 | ≥ 10.0.0, < 10.0.8

  • NuGet•Microsoft.AspNetCore.App.Runtime.win-x86

    ≥ 8.0.0, < 8.0.27 | ≥ 9.0.0, < 9.0.16 | ≥ 10.0.0, < 10.0.8

References (25)