CVE-2026-102870

ASP.NET Core Remote Code Execution Vulnerability

HIGH 8.8

At a glance

Source
NVD
EPSS
EPSS 0.91 % · percentile 60 ()
State
PUBLISHED
Published
Updated
Assigner
microsoft
NVD status
Undergoing Analysis

Description

Improper control of generation of code ('code injection') in ASP.NET Core allows an unauthorized attacker to execute code over a network.

Weaknesses (CWE)

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Cmicrosoft
CVSS 3.1HIGH 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HNVD · secure@microsoft.com (Secondary)

Advisories

European references

CERT-FR advisories

Affected products

ProductVersions
Microsoft · .NET 10.0 installed on Linuxaffected 10.0.0 < 10.0.403
Microsoft · .NET 10.0 installed on Mac OSaffected 10.0.0 < 10.0.403
Microsoft · .NET 10.0 installed on Windowsaffected 10.0.0 < 10.0.403
Microsoft · .NET 11.0 installed on Linuxaffected 11.0.0-preview.1 < 11.0.100-rc.3
Microsoft · .NET 11.0 installed on Mac OSaffected 11.0.0-preview.1 < 11.0.100-rc.3
Microsoft · .NET 11.0 installed on Windowsaffected 11.0.0-preview.1 < 11.0.100-rc.3
Microsoft · Microsoft Visual Studio 2019 version 16.11affected 16.11.0 < 16.11.61
Microsoft · Microsoft Visual Studio 2022 version 17.14affected 17.14.0 < 17.14.43
Microsoft · Microsoft Visual Studio 2026 version 18.10affected 18.10.0 < 18.10.4
Microsoft · Microsoft Visual Studio 2026 version 18.11affected 18.11.0 < 18.11.2
Microsoft · Microsoft Visual Studio 2026 version 18.12affected 18.12.0 < 18.12 Insiders 3
Microsoft · Microsoft.AspNetCore.Components.WebAssembly.DevServeraffected 11.0.0-preview.1 < 10.0.14
Microsoft · Microsoft.AspNetCore.Components.WebAssembly.Serveraffected 10.0.0 < 10.0.13

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD