Vulnerability Intelligence Report
.NET Denial of Service Vulnerability
CVE-2026-26171
Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.
XML External Entity (XXE)
No Active Exploit Signals
CVSS Base Score
7.5
HIGH
Exploitability:3.9
Impact Score:3.6
EPSS Probability:2.26%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | .NET 10.0 | 10.0.0 < 10.0.6 (affected) |
| Microsoft | .NET 8.0 | 8.0.0 < 8.0.26 (affected) |
| Microsoft | .NET 9.0 | 9.0.0 < 9.0.15 (affected) |
| Microsoft | PowerShell 7.5 | 7.5.0 < 7.5.6 (affected) |
| Microsoft | PowerShell 7.6 | 7.6.0 < 7.6.1 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2026-02-11T18:33:57 |
| Published | 2026-04-14T16:58:37 |
| Patch Date | 2026-04-14 |
| Last Updated | 2026-10-15T15:53:38 |
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