MSRC-CVE-2026-96232 — .NET Information Disclosure Vulnerability

Summary

Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

What type of information could be disclosed by this vulnerability?
The type of information that could be disclosed if an attacker successfully exploited this vulnerability is internal memory pointers. These leaked addresses could help an attacker bypass security protection and facilitate further exploitation.

Security updates
18.10.4 — https://learn.microsoft.com/en-us/visualstudio/releases/2026/release-notes
10.0.13 — https://support.microsoft.com/help/5130036
8.0.32 — https://support.microsoft.com/help/5130034
9.0.21 — https://support.microsoft.com/help/5130035
17.14.42 — https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes
11.0.0-rc.2 — https://github.com/dotnet/announcements/issues/480

Vulnerabilities 1

High 7.5

CVE-2026-96232

.NET Information Disclosure Vulnerability

Out-of-bounds read in .NET allows an unauthorized attacker to disclose information over a network.

Microsoft Microsoft Visual Studio 2022 version 17.14 .NET 9.0 runtime .NET 10.0 runtime Ubuntu Alpine NuGet

Oct 13, 2026

Revision history

2026-10-15 #2
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.
2026-10-13 #1
Information published.

References

CVE-2026-96232 .NET Information Disclosure Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96232
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss