CurrentChecked 8 minutes ago
Checked every 15 minutes
Browse this vendor's advisories
Official source
Security advisories from the vendors you use.
Search new and updated bulletins from Microsoft, Citrix, Cisco, Palo Alto Networks, Fortinet, Ivanti, Delinea, Ubuntu, and AWS. We keep each vendor's advisory ID, affected products, CVEs, severity, dates, and available fix guidance together.
11Vendor sources
18,545Advisories collected
6,566Published or updated in 30 days
8,317Marked critical or high
Coverage
Connected directly to official vendor sources
The original vendor bulletin remains the authority. SecurityAlert gives you one place to find it and compare the details vendors publish in different formats.
CurrentChecked 23 minutes ago
Checked hourly
Browse this vendor's advisories
Official source
Check delayedChecked 29 days ago
Checked every 15 minutes
Browse this vendor's advisories
Official source
CurrentChecked 33 minutes ago
Checked hourly
Browse this vendor's advisories
Official source
CurrentChecked 33 minutes ago
Checked hourly
Browse this vendor's advisories
Official source
CurrentChecked 18 minutes ago
Checked every 15 minutes
Browse this vendor's advisories
Official source
CurrentChecked 8 minutes ago
Checked every 15 minutes
Browse this vendor's advisories
Official source
CurrentChecked 2 hours ago
Checked every 6 hours
Browse this vendor's advisories
Official source
CurrentChecked 18 minutes ago
Checked every 15 minutes
Browse this vendor's advisories
Official source
Check delayedChecked 2 days ago
Checked hourly
Browse this vendor's advisories
Official source
CurrentChecked 18 minutes ago
Checked every 15 minutes
Browse this vendor's advisories
Official source
18,545 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.
Microsoft Security Response CenterCVE-2026-50524
HighCVSS 7.5
.NET Framework Denial of Service Vulnerability
Improper validation of specified type of input in .NET Framework allows an unauthorized attacker to deny service over a network.
Affected productsMicrosoft Visual Studio 2026 version 18.7, .NET 10.0 runtime installed on Mac OS, Microsoft Visual Studio 2022 version 17.12, .NET 10.0 runtime installed on Linux
Fixed versions18.7.4, 10.0.10, 17.12.22, 8.0.29
Vendor guidance
Release Notes Install KB5104034. Install KB5104032. Install KB5104033.
Microsoft Security Response CenterCVE-2026-50520
HighCVSS 8.4
Visual Studio Code Remote Code Execution Vulnerability
Improper neutralization of special elements used in a command ('command injection') in Visual Studio Code allows an unauthorized attacker to execute code locally.
Affected productsVisual Studio Code
Fixed versions1.128.1
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-50510
HighCVSS 7.8
GitHub Copilot Remote Code Execution Vulnerability
Improper restriction of names for files and other resources in Github Copilot allows an unauthorized attacker to execute code locally.
Affected productsGitHub Copilot Plugin for JetBrains IDEs
Fixed versions1.13.0-251
Vendor guidance
See the Microsoft Security Update Guide for the update that applies to your product.
Microsoft Security Response CenterCVE-2026-50509
HighCVSS 7.8
Wireless Wide Area Network Service (WwanSvc) Elevation of Privilege Vulnerability
Deserialization of untrusted data in Windows Wireless Wide Area Network Service 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 versions10.0.17763.9020, 10.0.19044.7548, 10.0.19045.7548, 10.0.26100.33158
Vendor guidance
Install KB5099538. Install KB5099539. Install KB5099536. Install KB5101650. Install KB5101649. Install KB5099535.
Microsoft Security Response CenterCVE-2026-50506
HighCVSS 7.5
OData for ASP.NET and ASP.NET Core Denial of Service Vulnerability
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Affected productsMicrosoft.AspNetCore.OData, Microsoft.AspNet.OData
Fixed versions9.5.0[SX1], 7.8.0
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-50505
HighCVSS 7.5
Windows Message Queuing Service (MSMQ) Remote Code Execution Vulnerability
Use after free in Windows Message Queuing allows an authorized 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 versions10.0.17763.9020, 10.0.20348.5386, 10.0.19044.7548, 10.0.19045.7548
Vendor guidance
Install KB5099538. Install KB5099540. Install KB5099539. Install KB5099536. Install KB5101650. Install KB5101649. Install KB5099535. Install KB5099445. Install KB5099444.
Microsoft Security Response CenterCVE-2026-50504
HighCVSS 6.5
Windows Remote Desktop Client Information Disclosure Vulnerability
Buffer over-read in Remote Desktop Client allows an unauthorized attacker to disclose information 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 versions10.0.17763.9020, 10.0.20348.5386, 10.0.19044.7548, 10.0.19045.7548
Vendor guidance
Install KB5099538. Install KB5099540. Install KB5099539. Install KB5099536. Install KB5101650. Install KB5101649. Install KB5099535. Install KB5099445. Install KB5099444.
Microsoft Security Response CenterCVE-2026-50503
HighCVSS 7.0
Windows Runtime Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an authorized attacker to elevate privileges locally.
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 versions10.0.26100.33158, 10.0.26200.8875, 10.0.26100.8875, 10.0.28000.2525
Vendor guidance
Install KB5099536. Install KB5101650. Install KB5101649.
Microsoft Security Response CenterCVE-2026-50502
HighCVSS 8.0
Windows Event Logging Service Remote Code Execution Vulnerability
Insufficient granularity of access control in Windows Event Logging Service allows an authorized 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 versions10.0.17763.9020, 10.0.20348.5386, 10.0.19044.7548, 10.0.19045.7548
Vendor guidance
Install KB5099538. Install KB5099540. Install KB5099539. Install KB5099536. Install KB5101650. Install KB5101649. Install KB5099535. Install KB5099445. Install KB5099444.
Microsoft Security Response CenterCVE-2026-50501
HighCVSS 7.8
Windows Resilient File System (ReFS) Remote Code Execution Vulnerability
Stack-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code locally.
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 versions10.0.26100.33158, 10.0.26200.8875, 10.0.26100.8875, 10.0.28000.2525
Vendor guidance
Install KB5099536. Install KB5101650. Install KB5101649.
Microsoft Security Response CenterCVE-2026-50500
HighCVSS 7.5
Windows Netlogon Elevation of Privilege Vulnerability
Use after free in Windows Netlogon allows an authorized attacker to elevate privileges 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 versions10.0.17763.9020, 10.0.20348.5386, 10.0.19044.7548, 10.0.19045.7548
Vendor guidance
Install KB5099538. Install KB5099540. Install KB5099539. Install KB5099536. Install KB5101650. Install KB5101649. Install KB5099535. Install KB5099445. Install KB5099444.
Microsoft Security Response CenterCVE-2026-50499
HighCVSS 7.8
Windows Print Spooler Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Print Spooler Components 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 versions10.0.17763.9020, 10.0.20348.5386, 10.0.19044.7548, 10.0.19045.7548
Vendor guidance
Install KB5099538. Install KB5099540. Install KB5099539. Install KB5099536. Install KB5101650. Install KB5101649.
Microsoft Security Response CenterCVE-2026-50498
HighCVSS 7.8
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
Out-of-bounds read in Windows Universal Disk Format File System Driver (UDFS) allows an unauthorized 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 versions10.0.17763.9020, 10.0.20348.5386, 10.0.19044.7548, 10.0.19045.7548
Vendor guidance
Install KB5099538. Install KB5099540. Install KB5099539. Install KB5099536. Install KB5101650. Install KB5101649. Install KB5099535. Install KB5099445. Install KB5099444.
Microsoft Security Response CenterCVE-2026-50497
HighCVSS 6.5
Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability
Off-by-one error in Windows Remote Desktop Protocol allows an unauthorized attacker to disclose information 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 versions10.0.17763.9020, 10.0.20348.5386, 10.0.19044.7548, 10.0.19045.7548
Vendor guidance
Install KB5099538. Install KB5099540. Install KB5099539. Install KB5099536. Install KB5101650. Install KB5101649. Install KB5099535. Install KB5099445. Install KB5099444.
Microsoft Security Response CenterCVE-2026-50496
HighCVSS 7.5
Windows Network Policy Server SNMP Information Disclosure Vulnerability
Out-of-bounds read in Windows Network Policy Server SNMP allows an unauthorized attacker to disclose information 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 versions10.0.17763.9020, 10.0.20348.5386, 10.0.19044.7548, 10.0.19045.7548
Vendor guidance
Install KB5099538. Install KB5099540. Install KB5099539. Install KB5099536. Install KB5101650. Install KB5101649. Install KB5099535. Install KB5099445. Install KB5099444.
Microsoft Security Response CenterCVE-2026-50495
HighCVSS 6.1
DNS Client Tampering Vulnerability
Improper access control in Microsoft Windows DNS allows an authorized attacker to perform tampering 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 versions10.0.17763.9020, 10.0.20348.5386, 10.0.19044.7548, 10.0.19045.7548
Vendor guidance
Install KB5099538. Install KB5099540. Install KB5099539. Install KB5099536. Install KB5101650. Install KB5101649.
Microsoft Security Response CenterCVE-2026-50494
HighCVSS 7.8
Windows NTFS Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows NTFS 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 versions10.0.17763.9020, 10.0.20348.5386, 10.0.19044.7548, 10.0.19045.7548
Vendor guidance
Install KB5099538. Install KB5099540. Install KB5099539. Install KB5099536. Install KB5101650. Install KB5101649. Install KB5099535. Install KB5099445. Install KB5099444.
Microsoft Security Response CenterCVE-2026-50492
HighCVSS 6.8
Windows Resilient File System (ReFS) Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code 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 versions10.0.17763.9020, 10.0.20348.5386, 10.0.19044.7548, 10.0.19045.7548
Vendor guidance
Install KB5099538. Install KB5099540. Install KB5099539. Install KB5099536. Install KB5101650. Install KB5101649. Install KB5099535.
Microsoft Security Response CenterCVE-2026-50491
HighCVSS 7.0
Code Integrity DLL (ci.dll) Elevation of Privilege Vulnerability
Out-of-bounds read in Code Integrity DLL (ci.dll) 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 versions10.0.17763.9020, 10.0.20348.5386, 10.0.19044.7548, 10.0.19045.7548
Vendor guidance
Install KB5099538. Install KB5099540. Install KB5099539. Install KB5099536. Install KB5101650. Install KB5101649. Install KB5099535. Install KB5099445. Install KB5099444.
Microsoft Security Response CenterCVE-2026-50490
HighCVSS 7.0
Windows Installer Elevation of Privilege Vulnerability
Use after free in Windows Installer 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 versions10.0.17763.9020, 10.0.20348.5386, 10.0.19044.7548, 10.0.19045.7548
Vendor guidance
Install KB5099538. Install KB5099540. Install KB5099539. Install KB5099536. Install KB5101650. Install KB5101649. Install KB5099535. Install KB5099445. Install KB5099444.
Microsoft Security Response CenterCVE-2026-50489
HighCVSS 8.8
Win32k Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Win32K 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 versions10.0.17763.9020, 10.0.20348.5386, 10.0.19044.7548, 10.0.19045.7548
Vendor guidance
Install KB5099538. Install KB5099540. Install KB5099539. Install KB5099536. Install KB5101650. Install KB5101649. Install KB5099535. Install KB5099445. Install KB5099444.
Microsoft Security Response CenterCVE-2026-50488
HighCVSS 7.8
Clipboard User Service Elevation of Privilege Vulnerability
Improper neutralization of special elements used in a command ('command injection') in Windows Clipboard User Service allows an authorized attacker to elevate privileges locally.
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 versions10.0.26100.33158, 10.0.26200.8875, 10.0.26100.8875
Vendor guidance
Install KB5099536. Install KB5101650.
Microsoft Security Response CenterCVE-2026-50487
HighCVSS 8.1
Windows DNS Client Elevation of Privilege Vulnerability
Use after free in Microsoft Windows DNS allows an unauthorized attacker to elevate privileges over a 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 versions10.0.26100.33158, 10.0.26200.8875, 10.0.26100.8875, 10.0.28000.2525
Vendor guidance
Install KB5099536. Install KB5101650. Install KB5101649.
Microsoft Security Response CenterCVE-2026-50486
HighCVSS 7.8
Windows Runtime Elevation of Privilege Vulnerability
Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally.
Affected productsWindows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for ARM64-based Systems, Windows 10 Version 21H2 for x64-based Systems, Windows 10 Version 22H2 for x64-based Systems
Fixed versions10.0.19044.7548, 10.0.19045.7548, 10.0.26100.33158, 10.0.26200.8875
Vendor guidance
Install KB5099539. Install KB5099536. Install KB5101650. Install KB5101649.
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.