Vendor advisories

Microsoft Security Response Center

Browse 17,705 advisories from this official source. Search by product, CVE, severity, or advisory ID.

Current Checked 5 hours ago Checked every 6 hours

17,705 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-2026-39833
HighCVSS 9.1

Invoking key constraints not enforced in golang.org/x/crypto/ssh/agent

Mariner

Affected productsazl3 docker-buildx 0.14.0-11 on Azure Linux 3.0, azl3 docker-compose 2.27.0-9 on Azure Linux 3.0, azl3 packer 1.9.5-13 on Azure Linux 3.0, azl3 telegraf 1.31.0-19 on Azure Linux 3.0
Fixed versions0.14.0-15, 2.27.0-13, 1.9.5-16, 1.31.0-23
Vendor guidance

CBL-Mariner Releases

Microsoft Security Response CenterCVE-2026-20846
HighCVSS 7.5

GDI+ Denial of Service Vulnerability

Buffer over-read in Windows GDI+ allows an unauthorized attacker to deny service over a network.

Affected productsWindows 11 Version 26H1 for ARM64-based Systems, Windows 11 version 26H1 for x64-based Systems, Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems
Fixed versions10.0.28000.1575, 10.0.17763.8389, 10.0.20348.4773, 10.0.20348.4711
Vendor guidance

Release Notes Install KB5077179. Install KB5075904. Install KB5075906. Install KB5075943. Install KB5075912. Install KB5075899. Install KB5075942. Install KB5077181. Install KB5077212. Install KB5075941. Install KB507...

Microsoft Security Response CenterCVE-2026-47298
HighCVSS 8.0

Microsoft SharePoint Server Remote Code Execution Vulnerability

Improper authorization in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Affected productsMicrosoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition
Fixed versions16.0.5556.1005, 16.0.10417.20153, 16.0.19725.20384
Vendor guidance

Install KB5002880. Install KB5002874. Install KB5002873.

Microsoft Security Response CenterCVE-2026-45482
HighCVSS 8.4

Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability

Improper limitation of a pathname to a restricted directory ('path traversal') in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.

Affected productsMicrosoft Visual Studio Code CoPilot Chat Extension
Fixed versions1.123.2
Vendor guidance

Release Notes

Microsoft Security Response CenterCVE-2026-47294
HighCVSS 8.0

Microsoft SharePoint Server Remote Code Execution Vulnerability

Improper neutralization of special elements used in an os command ('os command injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Affected productsMicrosoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition
Fixed versions16.0.5552.1002, 16.0.10417.20128, 16.0.19725.20280
Vendor guidance

Install KB5002868. Install KB5002870. Install KB5002863.

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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