Description
Loop with unreachable exit condition ('infinite loop') in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Affected products
microsoft: .net; apple: macos; linux: linux kernel; microsoft: windows
References10
- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42899 Vendor Advisory
- access.redhat.com/errata/RHSA-2026:17464
- access.redhat.com/errata/RHSA-2026:17527
- access.redhat.com/errata/RHSA-2026:17682
- access.redhat.com/errata/RHSA-2026:21286
- access.redhat.com/errata/RHSA-2026:21291
- access.redhat.com/errata/RHSA-2026:21293
- access.redhat.com/errata/RHSA-2026:21294
- access.redhat.com/errata/RHSA-2026:21295
- access.redhat.com/errata/RHSA-2026:21296
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 2% percentile: 85 · as of 14 November 2026
- CWE
- CWE-835
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.