High
ASP.NET Core Remote Code Execution Vulnerability
Improper control of generation of code ('code injection') in ASP.NET Core allows an unauthorized attacker to execute code over a network.
Announced Source revision 1
Original source ↗CVE-2026-102870
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-102870
Microsoft Visual Studio 2022 version 17.14
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Microsoft Visual Studio 2026 version 18.10
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Microsoft.AspNetCore.Components.WebAssembly.Server
Source reference: /containers/cna/affected/2/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "Microsoft",
"product": "Microsoft Visual Studio 2022 version 17.14",
"versions": [
{
"status": "affected",
"version": "17.14.0",
"lessThan": "17.14.42",
"versionType": "custom"
}
]
},
{
"vendor": "Microsoft",
"product": "Microsoft Visual Studio 2026 version 18.10",
"versions": [
{
"status": "affected",
"version": "18.10.0",
"lessThan": "18.10.4",
"versionType": "custom"
}
]
},
{
"vendor": "Microsoft",
"product": "Microsoft.AspNetCore.Components.WebAssembly.Server",
"versions": [
{
"status": "affected",
"version": "10.0.0",
"lessThan": "10.0.13",
"versionType": "custom"
}
],
"platforms": [
".NET 10.0 runtime installed on Linux",
".NET 10.0 runtime installed on Mac OS",
".NET 10.0 runtime installed on Windows",
".NET 11.0 runtime installed on Linux",
".NET 11.0 runtime installed on Mac OS",
".NET 11.0 runtime installed on Windows"
]
}
]- Related CVEs
- CVE-2026-102870
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #55017 · Revision 1
- Added to Heist Feed
- Publisher date