High 8.8Published Oct 13, 2026

CVE-2026-102870ASP.NET Core Remote Code Execution Vulnerability

Updated under an hour ago (Oct 28, 2026, 6:10 AM ET)

Does this affect you?

It affects Microsoft .NET 10.0 installed on Linux and 12 other products. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.91%, higher than 60% of scored CVEs.

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Every CVE for Microsoft .NET 10.0 installed on Linux

Exploited in the last 30 days

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

CVSS: 8.8 HIGH (v3.1, CNA)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
Weakness (CWE): CWE-94
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.91% (percentile 60)
Assigned by: microsoft
NVD analysis: Undergoing Analysis
Record last updated: Oct 27, 2026
First seen by InfoSec Signals: Oct 13, 2026

Affected products

Affected products

Microsoft .NET 10.0 installed on Linux microsoft:net_10.0_installed_on_linux (from the name)	from 10.0.0 before 10.0.403	CNA record
Microsoft .NET 10.0 installed on Mac OS microsoft:net_10.0_installed_on_mac_os (from the name)	from 10.0.0 before 10.0.403	CNA record
Microsoft .NET 10.0 installed on Windows microsoft:net_10.0_installed_on_windows (from the name)	from 10.0.0 before 10.0.403	CNA record
Microsoft .NET 11.0 installed on Linux microsoft:net_11.0_installed_on_linux (from the name)	from 11.0.0-preview.1 before 11.0.100-rc.3	CNA record
Microsoft .NET 11.0 installed on Mac OS microsoft:net_11.0_installed_on_mac_os (from the name)	from 11.0.0-preview.1 before 11.0.100-rc.3	CNA record
Microsoft .NET 11.0 installed on Windows microsoft:net_11.0_installed_on_windows (from the name)	from 11.0.0-preview.1 before 11.0.100-rc.3	CNA record
Microsoft Microsoft Visual Studio 2019 version 16.11 microsoft:visual_studio_2019_version_16.11 (from the name)	from 16.11.0 before 16.11.61	CNA record
Microsoft Microsoft Visual Studio 2022 version 17.14 microsoft:visual_studio_2022_version_17.14 (from the name)	from 17.14.0 before 17.14.43	CNA record
Microsoft Microsoft Visual Studio 2026 version 18.10 microsoft:visual_studio_2026_version_18.10 (from the name)	from 18.10.0 before 18.10.4	CNA record
Microsoft Microsoft Visual Studio 2026 version 18.11 microsoft:visual_studio_2026_version_18.11 (from the name)	from 18.11.0 before 18.11.2	CNA record
1–10 of 13

References

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102870	vendor-advisory, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.