Vendor advisories

Microsoft Security Response Center

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

Current Checked 3 hours ago Checked every 6 hours

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-2026-54113
HighCVSS 7.5

Remote Procedure Call Denial of Service Vulnerability

Allocation of resources without limits or throttling in Windows Kernel allows an unauthorized 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 versions10.0.17763.9121, 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. Install KB5120418. Install ...

Microsoft Security Response CenterCVE-2026-40375
HighCVSS 6.5

Microsoft Dynamics Business Central Information Disclosure Vulnerability

Missing authorization in Dynamics Business Central allows an authorized attacker to disclose information over a network.

Affected productsMicrosoft Dynamics 365 Business Central Release Wave 1 2025, Microsoft Dynamics 365 Business Central 2026 Release Wave 1, Microsoft Dynamics 365 Business Central Release Wave 2 2025, Microsoft Dynamics NAV 2017 on Windows Server 2012
Fixed versions26.0.50788, 28.0.50938, 27.0.50789, 30713
Vendor guidance

Release Notes Install KB5100263. Install KB5100266. Install KB5100265.

Microsoft Security Response CenterCVE-2026-63520
HighCVSS 8.1

Microsoft SharePoint Server Remote Code Execution Vulnerability

Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.

Affected productsMicrosoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition
Fixed versions16.0.5565.1001, 16.0.10417.20198, 16.0.19725.20522
Vendor guidance

Install KB5002905. Install KB5002906. Install KB5002894. Install KB5002896. Install KB5002893.

Microsoft Security Response CenterCVE-2026-63512
HighCVSS 6.5

Microsoft SharePoint Server Tampering Vulnerability

Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to perform tampering over a network.

Affected productsMicrosoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition
Fixed versions16.0.5565.1001, 16.0.10417.20198, 16.0.19725.20522
Vendor guidance

Install KB5002905. Install KB5002906. Install KB5002894. Install KB5002896. Install KB5002893.

Microsoft Security Response CenterCVE-2026-63514
HighCVSS 8.8

Microsoft SharePoint Server Remote Code Execution Vulnerability

Deserialization of untrusted data 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 versions16.0.5565.1001, 16.0.10417.20198, 16.0.19725.20522
Vendor guidance

Install KB5002905. Install KB5002906. Install KB5002894. Install KB5002896. Install KB5002893.

Microsoft Security Response CenterCVE-2026-62837
HighCVSS 6.5

Microsoft SharePoint Server Information Disclosure Vulnerability

Relative path traversal in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.

Affected productsMicrosoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition
Fixed versions16.0.5565.1001, 16.0.10417.20198, 16.0.19725.20522
Vendor guidance

Install KB5002905. Install KB5002906. Install KB5002894. Install KB5002896. Install KB5002893.

Microsoft Security Response CenterCVE-2026-62829
HighCVSS 4.6

Microsoft SharePoint Server Spoofing Vulnerability

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

Affected productsMicrosoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition
Fixed versions16.0.10417.20198, 16.0.19725.20522
Vendor guidance

Install KB5002894. Install KB5002896. Install KB5002893.

Microsoft Security Response CenterCVE-2026-57105
HighCVSS 8.0

Microsoft Office SharePoint Spoofing Vulnerability

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

Affected productsMicrosoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition
Fixed versions16.0.10417.20198, 16.0.19725.20522
Vendor guidance

Install KB5002894. Install KB5002896. Install KB5002893.

Microsoft Security Response CenterCVE-2026-56174
HighCVSS 7.8

Windows Narrator Braille Elevation of Privilege Vulnerability

Untrusted search path in Windows Narrator Braille 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 KB5120240.

Microsoft Security Response CenterCVE-2026-50472
HighCVSS 7.0

Windows LUA File Virtualization Filter Driver Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows LUAFV 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. Install KB5120418. Install ...

Microsoft Security Response CenterCVE-2026-56179
MediumCVSS 8.3

Windows Network Address Translation (NAT) Spoofing Vulnerability

Origin validation error in Windows Network Address Translation (NAT) allows an unauthorized attacker to perform spoofing over an adjacent network.

Affected productsWindows Server 2025 (Server Core installation), Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems, Windows 11 Version 24H2 for ARM64-based Systems
Fixed versions10.0.26100.33296, 10.0.26100.33222, 10.0.26200.9168, 10.0.26200.9106
Vendor guidance

The mitigation is disabled by default. To enable it, apply the following registry keys and reboot the machine. reg add HKLM\SYSTEM\CurrentControlSet\Services\Winnat /v TcpSeqValidation /t REG_DWORD /d 1 /f reg add HKL...

Microsoft Security Response CenterCVE-2024-57895
Medium

ksmbd: set ATTR_CTIME flags when setting mtime

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 productsazl3 kernel 6.6.76.1-1 on Azure Linux 3.0, azl3 kernel 6.6.64.2-9 on Azure Linux 3.0
Fixed versions6.6.76.1-1
Vendor guidance

CBL-Mariner Releases

Microsoft Security Response CenterCVE-2024-42079
MediumCVSS 5.5

gfs2: Fix NULL pointer dereference in gfs2_log_flush

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 productsazl3 kernel 6.6.43.1-7 on Azure Linux 3.0, azl3 kernel 6.6.35.1-5 on Azure Linux 3.0
Fixed versions6.6.43.1-7
Vendor guidance

CBL-Mariner Releases

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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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