Vendor advisories

Microsoft Security Response Center

Browse 15,547 advisories from this official source. Search by product, CVE, severity, or advisory ID.

Current Checked 2 hours ago Checked every 6 hours

15,547 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-2026-96311
HighCVSS 5.5

Windows Network List Service Tampering Vulnerability

Improper authorization in Windows Network List Service allows an authorized attacker to perform tampering locally.

Affected productsWindows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems
Fixed versions10.0.14393.9612, 10.0.17763.9376, 10.0.19045.7807, 10.0.26100.9711
Vendor guidance

Install KB5126868. Install KB5126651. Install KB5126657. Install KB5127648. Install KB5126646. Install KB5126836. Install KB5126655. Install KB5126653. Install KB5127646.

Microsoft Security Response CenterCVE-2026-96244
HighCVSS 7.8

Windows Internal System User Profile Elevation of Privilege Vulnerability

Use after free in Windows Internal System User Profile allows an authorized attacker to elevate privileges locally.

Affected productsWindows 11 Version 23H2 for ARM64-based Systems, Windows 11 Version 23H2 for x64-based Systems, Windows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 24H2 for x64-based Systems
Fixed versions10.0.22631.7652, 10.0.26100.9711, 10.0.26200.9711, 10.0.26300.9711
Vendor guidance

Install KB5126653. Install KB5127648. Install KB5126646. Install KB5127646. Install KB5126868. Install KB5126651. Install KB5126657. Install KB5126655.

Microsoft Security Response CenterCVE-2026-96234
HighCVSS 5.3

.NET Information Disclosure Vulnerability

Origin validation error in .NET allows an unauthorized attacker to disclose information over a network.

Affected products.NET 10.0 runtime installed on Windows, .NET 8.0 runtime installed on Windows, .NET 9.0 runtime installed on Windows, .NET 11.0 runtime installed on Windows
Fixed versions10.0.13, 8.0.32, 9.0.21, 11.0.0-rc.2
Vendor guidance

Release Notes Install KB5130036. Install KB5130034. Install KB5130035.

Microsoft Security Response CenterCVE-2026-88094
HighCVSS 8.1

Azure Storage Library Elevation of Privilege Vulnerability

Improper neutralization of special elements in output used by a downstream component ('injection') in Azure Storage Library allows an authorized attacker to elevate privileges over a network.

Affected productsMicrosoft Edge (Chromium-based), azure-storage-blob-batch
Fixed versions153.0.4234.46, 12.31.2
Vendor guidance

Release Notes

Microsoft Security Response CenterCVE-2026-85798
HighCVSS 7.2

Windows Distributed File System (DFS) Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Distributed File System (DFS) allows an authorized attacker to execute code over a network.

Affected productsWindows 11 Version 26H2 for ARM64-based Systems, Windows 11 Version 26H2 for x64-based Systems, Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems
Fixed versions10.0.26300.9711, 10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807
Vendor guidance

Install KB5127648. Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

Microsoft Security Response CenterCVE-2026-84007
HighCVSS 6.5

Remote Desktop Gateway Service Information Disclosure Vulnerability

Out-of-bounds read in Remote Desktop Gateway Service allows an authorized attacker to disclose information over a network.

Affected productsWindows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server 2022 (Server Core installation)
Fixed versions10.0.17763.9376, 10.0.20348.5761, 10.0.26100.33650, 10.0.14393.9612
Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126646. Install KB5126868. Install KB5126835. Install KB5126836.

Microsoft Security Response CenterCVE-2026-83840
HighCVSS 7.8

Windows Error Reporting Elevation of Privilege Vulnerability

Weak authentication in Windows Error Reporting 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 versions10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807
Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646. Install KB5126868.

Microsoft Security Response CenterCVE-2026-83776
HighCVSS 6.8

Windows Bluetooth Driver Elevation of Privilege Vulnerability

Out-of-bounds read in Microsoft Bluetooth Driver allows an unauthorized attacker to elevate privileges with a physical attack.

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 versions10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807
Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646. Install KB5126868.

Microsoft Security Response CenterCVE-2026-83716
HighCVSS 8.8

Windows Hyper-V Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code 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 versions10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807
Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646. Install KB5126868.

Microsoft Security Response CenterCVE-2026-83519
HighCVSS 9.8

Windows Error Reporting Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code 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 versions10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807
Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

Microsoft Security Response CenterCVE-2026-70177
HighCVSS 7.8

Microsoft Windows Search Component Elevation of Privilege Vulnerability

Numeric truncation error in Microsoft Windows Search Component 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 versions10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807
Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

Microsoft Security Response CenterCVE-2026-70054
HighCVSS 7.8

Windows NetBIOS Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows NetBIOS allows an authorized attacker to elevate privileges locally.

Affected productsWindows 11 Version 26H2 for ARM64-based Systems, Windows 11 Version 26H2 for x64-based Systems, Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems
Fixed versions10.0.26300.9711, 10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807
Vendor guidance

Install KB5127648. Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

Microsoft Security Response CenterCVE-2026-69926
HighCVSS 7.8

Desktop Window Manager Elevation of Privilege Vulnerability

Access of resource using incompatible type ('type confusion') in Desktop Window Manager 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 versions10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807
Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646.

Microsoft Security Response CenterCVE-2026-69923
HighCVSS 7.8

Windows AI Elevation of Privilege Vulnerability

Uncontrolled search path element in Windows AI allows an authorized attacker to elevate privileges locally.

Affected productsWindows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 24H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems
Fixed versions10.0.26100.9711, 10.0.26200.9711, 10.0.28000.3231, 10.0.26100.33650
Vendor guidance

Install KB5127648. Install KB5127646. Install KB5126646.

Microsoft Security Response CenterCVE-2026-91717
HighCVSS 5.1

Chromium CVE-2026-91717: Missing authorization

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases](https://chromereleases.googleblog.com/2026)) for more information.

Affected productsMicrosoft Edge (Chromium-based)
Fixed versions153.0.4234.46, 153.0.4234.49
Vendor guidance

Release Notes

Microsoft Security Response CenterCVE-2026-95332
HighCVSS 4.7

Chromium CVE-2026-95332: Use of uninitialized variable in Tint

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

Affected productsMicrosoft Edge (Chromium-based)
Fixed versions154.0.4258.37, 154.0.4258.38
Vendor guidance

Release Notes

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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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