Description
Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.
Affected products
microsoft: .net; apple: macos; linux: linux kernel; microsoft: windows; microsoft: powershell
References10
- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26171 Vendor Advisory
- access.redhat.com/errata/RHSA-2026:13280
- access.redhat.com/errata/RHSA-2026:13281
- access.redhat.com/errata/RHSA-2026:13282
- access.redhat.com/errata/RHSA-2026:13283
- access.redhat.com/errata/RHSA-2026:13693
- access.redhat.com/errata/RHSA-2026:8467
- access.redhat.com/errata/RHSA-2026:8468
- access.redhat.com/errata/RHSA-2026:8469
- access.redhat.com/errata/RHSA-2026:8470
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: 79 · as of 12 November 2026
- CWE
- CWE-400CWE-611CWE-776
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.