Recorded 19 Oct 2026 at 15:12 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position.
See the latest record.
The historical field “Public exploit code” recorded Nuclei detection-template membership. It did not establish exploit availability. The original recorded fields remain below.
The historical “Publicly disclosed: No” field could represent a missing MSRC assessment. It does not establish that the vulnerability was undisclosed. The original recorded fields remain below.
CVEMicrosoft Security Response Center
.NET Remote Code Execution Vulnerability
Out-of-bounds write in .NET allows an unauthorized attacker to execute code over a network.
.NET 10.0 installed on Windows, .NET 11.0 installed on Windows, .NET 8.0 installed on Windows, .NET 9.0 installed on Windows, Microsoft Visual Studio 2022 version 17.14, Microsoft Visual Studio 2026 version 18.10
Updates that fix it
KB5130034: .NET 8.0 installed on Windows; KB5130035: .NET 9.0 installed on Windows; KB5130036: .NET 10.0 installed on Windows
CISA KEV
Not listed in the collected catalog
EPSS
0.7%; scored 19 Oct 2026
Public exploit code
No Nuclei template listed
Published
13 Oct 2026 07:00 UTC
Last revised
15 Oct 2026 07:00 UTC
Revision note
Updated the Security Updates table to add KB article links for .NET 11.0 and download and KB article links for Microsoft Visual Studio. This is an informational change only; the fixed builds are unchanged.
Complete at observationRead 19 Oct 2026 at 15:11 UTC
CISA KEV
Complete at observationRead 19 Oct 2026 at 15:11 UTC
FIRST EPSS
Complete at observationRead 19 Oct 2026 at 15:11 UTC
Public detection templates (Nuclei)
Complete at observationRead 19 Oct 2026 at 15:11 UTC
Coverage describes the sources at this observation. A complete read then does not establish their current position.
What changed
Publisher revision note: Information published. → Updated the Security Updates table to add KB article links for .NET 11.0 and download and KB article links for Microsoft Visual Studio. This is an informational change only; the fixed builds are unchanged.
Page history
Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.
15 Oct 2026 · 21:30:54 UTCRevision noteInformation published. → Updated the Security Updates table to add KB article links for .NET 11.0 and download and KB article links for Microsoft Visual Studio. This is an informational change only; the fixed builds are unchanged.