Vendor advisories

Microsoft Security Response Center

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

Current Checked 3 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-2026-44817
HighCVSS 7.8

Microsoft Excel Remote Code Execution Vulnerability

Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Affected productsMicrosoft Office 365 for Mac, Office Online Server, Microsoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editions
Fixed versions16.110.26061317, 16.0.10417.20137, https://aka.ms/OfficeSecurityReleases, 16.0.5556.1001
Vendor guidance

Release Notes Click to Run Install KB5002875. Install KB5002877.

Microsoft Security Response CenterCVE-2026-42903
HighCVSS 6.5

Windows Kerberos Denial of Service Vulnerability

Null pointer dereference in Windows Kerberos allows an authorized attacker to deny service over a network.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)
Fixed versions10.0.17763.8880, 10.0.20348.5256, 10.0.19044.7417, 10.0.19045.7417
Vendor guidance

Install KB5094123. Install KB5094128. Install KB5094127. Install KB5094125. Install KB5094126. Install KB5093998. Install KB5095051. Install KB5094122. Install KB5094042. Install KB5094041.

Microsoft Security Response CenterCVE-2026-32177
HighCVSS 7.3

.NET Elevation of Privilege Vulnerability

Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.

Affected products.NET 10.0 installed on Windows, .NET 8.0 installed on Windows, .NET 9.0 installed on Windows, Microsoft Visual Studio 2022 version 17.12
Fixed versions10.0.8, 8.0.27, 9.0.16, 17.12.20
Vendor guidance

Release Notes Install KB5093446. Install KB5093447. Install KB5093448. Install KB5087065. Install KB5087067. Install KB5087069. Install KB5087066. Install KB5087068. Install KB5087064. Install KB5087061. Install KB508...

Microsoft Security Response CenterCVE-2025-6965
HighCVSS 9.8

Integer Truncation on SQLite

Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability? One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the mos...

Affected productscbl2 sqlite 3.39.2-4 on CBL Mariner 2.0, Microsoft Visual Studio 2026 version 18.5, azl3 sqlite 3.44.0-2 on Azure Linux 3.0, cbl2 sqlite 3.39.2-3 on CBL Mariner 2.0
Fixed versions3.39.2-4, 18.5.3, 3.44.0-2, 10.0.17763.8276
Vendor guidance

CBL-Mariner Releases Release Notes Install KB5073723. Install KB5073457. Install KB5073724. Install KB5073379. Install KB5074109. Install KB5073455. Install KB5073450. Install KB5073722.

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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