CVE-2026-42899

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

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

2.4% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-26)

CWE

CWE-835

Published

2026-05-12

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• microsoft:.net

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42899
• https://access.redhat.com/errata/RHSA-2026:17464
• https://access.redhat.com/errata/RHSA-2026:17527
• https://access.redhat.com/errata/RHSA-2026:17682
• https://access.redhat.com/errata/RHSA-2026:21286

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