Vulnerability Intelligence Report
ASP.NET Core Remote Code Execution Vulnerability
CVE-2026-96230
Improper neutralization of input during web page generation ('cross-site scripting') in ASP.NET Core allows an unauthorized attacker to execute code over a network.
Cross-Site Scripting (XSS)
No Active Exploit Signals
CVSS Base Score
8.8
HIGH
Exploitability:2.9
Impact Score:5.9
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-79 ↗CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Microsoft Visual Studio 2022 version 17.14 | 17.14.0 < 17.14.42 (affected) |
| Microsoft | Microsoft Visual Studio 2026 version 18.10 | 18.10.0 < 18.10.4 (affected) |
| Microsoft | Microsoft.AspNetCore.Components.WebAssembly.Server | 10.0.0 < 10.0.13 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
GitHub Advisory
Vulnerability Class
Cross-Site Scripting (XSS)
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2026-09-22T19:05:22 |
| Published | 2026-10-13T19:01:16 |
| Patch Date | 2026-10-13 |
| Last Updated | 2026-10-13T22:23:55 |
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