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Vendor advisories

Microsoft Security Response Center

Browse 17,461 advisories from this official source. Search by product, CVE, severity, or advisory ID.

Current Checked 4 hours ago Checked every 6 hours
All vendor sources Official source

17,461 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.

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Microsoft Security Response CenterCVE-2026-50659
HighCVSS 6.5

.NET Spoofing Vulnerability

Improper encoding or escaping of output in .NET allows an authorized attacker to perform spoofing over a network.

Affected productsMicrosoft Visual Studio 2022 version 17.12, .NET 10.0 runtime installed on Linux, .NET 10.0 runtime installed on Mac OS, .NET 8.0 runtime installed on Windows
Fixed versions17.12.22, 10.0.10, 8.0.29, 9.0.18
Vendor guidance

Release Notes Install KB5104034. Install KB5104032. Install KB5104033. Install KB5101007. Install KB5101009. Install KB5101011. Install KB5101008. Install KB5101010. Install KB5101006. Install KB5100989. Install KB509...

CVE-2026-50659
Read the vendor advisory Watch this product
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 runtime installed on Linux, .NET 10.0 runtime installed on Mac OS, .NET 8.0 runtime installed on Windows, .NET 8.0 runtime 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
Microsoft Security Response CenterCVE-2026-44839
MediumCVSS 4.8

RabbitMQ: Unsanitized vhost names allow for XSS in management UI

Mariner

Affected productsazl3 rabbitmq-server 3.13.7-6 on Azure Linux 3.0, azl3 rabbitmq-server 3.13.7-8 on Azure Linux 3.0, azl3 rabbitmq-server 3.13.7-3 on Azure Linux 3.0, azl3 rabbitmq-server 3.13.7-5 on Azure Linux 3.0
Fixed versions3.13.7-7, 3.13.7-8
Vendor guidance

CBL-Mariner Releases

CVE-2026-44839
Read the vendor advisory Watch this product
Before you act

Start with the vendor's bulletin.

We normalize the fields that vendors publish so you can search and compare advisories in one place. We do not replace the original bulletin or turn a product-name match into proof that a system is vulnerable.

Confirm the installed product and version, read the linked vendor guidance, and test the recommended update or mitigation through your normal change process.

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