Description
Improper control of generation of code ('code injection') in ASP.NET Core allows an unauthorized attacker to execute code over a network.
Published: 2026-10-13
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Github GHSA Github GHSA GHSA-g27p-qf6j-c96c Microsoft Security Advisory CVE-2026-102870 - ASP.NET Core Remote Code Execution Vulnerability
History

Thu, 15 Oct 2026 13:30:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Important


Wed, 14 Oct 2026 05:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 13 Oct 2026 19:15:00 +0000

Type Values Removed Values Added
Description Improper control of generation of code ('code injection') in ASP.NET Core allows an unauthorized attacker to execute code over a network.
Title ASP.NET Core Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft microsoft.aspnetcore.components.webassembly.server
Microsoft microsoft Visual Studio 2026 Version 18.10
Microsoft visual Studio 2022
Weaknesses CWE-94
CPEs cpe:2.3:a:microsoft:microsoft.aspnetcore.components.webassembly.server:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:microsoft_visual_studio_2026_version_18.10:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft microsoft.aspnetcore.components.webassembly.server
Microsoft microsoft Visual Studio 2026 Version 18.10
Microsoft visual Studio 2022
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


Subscriptions

Microsoft Microsoft.aspnetcore.components.webassembly.server Microsoft Visual Studio 2026 Version 18.10 Visual Studio 2022
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-10-15T22:31:18.280Z

Reserved: 2026-09-29T17:27:07.500Z

Link: CVE-2026-102870

cve-icon Vulnrichment

Updated: 2026-10-13T21:13:53.475Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-13T19:17:51.617

Modified: 2026-10-14T04:18:08.113

Link: CVE-2026-102870

cve-icon Redhat

Severity : Important

Publid Date: 2026-10-13T17:00:00Z

Links: CVE-2026-102870 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-13T23:00:16Z

Weaknesses