CVE-2026-26171
.NET Denial of Service Vulnerability
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.
| Vendor | microsoft |
| Product | .net 10.0 |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Apr 14, 2026 |
| Last Updated | Jul 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Microsoft / .NET 10.0
10.0.0 < 10.0.6
Microsoft / .NET 8.0
8.0.0 < 8.0.26
Microsoft / .NET 9.0
9.0.0 < 9.0.15
Microsoft / PowerShell 7.5
7.5.0 < 7.5.6
Microsoft / PowerShell 7.6
7.6.0 < 7.6.1
References
msrc.microsoft.com: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26171 access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-26171 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2457739 security.access.redhat.com: https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-26171.json access.redhat.com: https://access.redhat.com/errata/RHSA-2026:13281 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:13280 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:8467 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:8470 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:8472 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:8473 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:8468 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:8475 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:13693 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:13283 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:13282 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:8471 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:8469 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:8474 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:9077 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:9080 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:9205