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Vendor advisories

Microsoft Security Response Center

Browse 4,355 advisories from this official source. Search by product, CVE, severity, or advisory ID.

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4,355 advisories

Each date says whether the vendor published or updated the bulletin. A vendor bulletin describes products that may be affected. It does not prove that the vulnerable product or version is installed in your environment.

RSS for these results
Microsoft Security Response CenterCVE-2026-47303
HighCVSS 8.8

ASP.NET Core Elevation of Privilege Vulnerability

Authentication bypass by assumed-immutable data in ASP.NET Core allows an authorized attacker to elevate privileges over a network.

Affected products.NET 10.0 installed on Linux, .NET 10.0 installed on Mac OS, .NET 8.0 installed on Windows, .NET 8.0 installed on Linux
Fixed versions10.0.10, 8.0.29, 9.0.18, 17.12.22
Vendor guidance

Release Notes Install KB5104034. Install KB5104032. Install KB5104033.

CVE-2026-47303
Read the vendor advisory Watch this product
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