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Description

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

PUBLISHED Reserved 2026-04-30 | Published 2026-05-12 | Updated 2026-05-20 | Assigner microsoft




HIGH: 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

Problem types

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

Product status

10.0.0 (custom) before 10.0.8
affected

8.0.0 (custom) before 8.0.27
affected

9.0.0 (custom) before 9.0.16
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42899 (ASP.NET Core Denial of Service Vulnerability) vendor-advisory patch

cve.org (CVE-2026-42899)

nvd.nist.gov (CVE-2026-42899)

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