Vendor advisories

Microsoft Security Response Center

Browse 15,977 advisories from this official source. Search by product, CVE, severity, or advisory ID.

Current Checked 2 hours ago Checked every 6 hours

15,977 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-2026-63518
CriticalCVSS 7.8

Microsoft Office Word Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Affected productsMicrosoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editions, Microsoft 365 Apps for Enterprise for 32-bit Systems, Microsoft 365 Apps for Enterprise for 64-bit Systems
Fixed versionshttps://aka.ms/OfficeSecurityReleases, 16.112.26081010, 16.0.5565.1000
Vendor guidance

Click to Run Release Notes Install KB5002755.

Microsoft Security Response CenterCVE-2026-63513
CriticalCVSS 7.8

Microsoft Office Graphics Component Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

Affected productsMicrosoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editions, Microsoft 365 Apps for Enterprise for 32-bit Systems, Microsoft 365 Apps for Enterprise for 64-bit Systems
Fixed versionshttps://aka.ms/OfficeSecurityReleases, 16.112.26081010, 16.0.5565.1001
Vendor guidance

Click to Run Release Notes Install KB5002897.

Microsoft Security Response CenterCVE-2026-62886
HighCVSS 7.8

.NET Elevation of Privilege Vulnerability

Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.

Affected productsMicrosoft .NET Framework 3.5 on Windows Server 2012, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012, Microsoft .NET Framework 4.8 on Windows Server 2012, Microsoft .NET Framework 4.8 on Windows Server 2012 R2
Fixed versions2.0.50727.8987 AND 3.0.30729.8982, 4.7.4145.0, 4.8.4806.0, 2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0
Vendor guidance

Install KB5127660. Install KB5126044. Install KB5126049. Install KB5126051. Install KB5126047. Install KB5127666. Install KB5127685. Install KB5127693. Install KB5126043. Install KB5126421. Install KB5126046. Install ...

Microsoft Security Response CenterCVE-2026-62771
HighCVSS 7.8

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

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 versions10.0.17763.9121, 10.0.20348.5499, 10.0.20348.5440, 10.0.19044.7663
Vendor guidance

Install KB5120238. Install KB5120242. Install KB5120229. Install KB5120249. Install KB5120233. Install KB5120228. Install KB5121003. Install KB5120994. Install KB5120240. Install KB5121000.

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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