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18,533 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-2026-62912
HighCVSS 6.5
Microsoft Exchange Server Denial of Service Vulnerability
Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to deny service over a network.
Affected productsMicrosoft Exchange Server Subscription Edition RTM, Microsoft Exchange Server 2019 Cumulative Update 15, Microsoft Exchange Server 2016 Cumulative Update 23, Microsoft Exchange Server 2019 Cumulative Update 14
Fixed versions15.02.2562.046, 15.02.1748.049, 15.01.2507.072, 15.02.1544.044
Vendor guidance
Install KB5121573. Install KB5121574. Install KB5121576. Install KB5121575.
Microsoft Security Response CenterCVE-2026-62910
HighCVSS 7.2
Microsoft Exchange Server Elevation of Privilege Vulnerability
Improper control of resource identifiers ('resource injection') in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Affected productsMicrosoft Exchange Server Subscription Edition RTM, Microsoft Exchange Server 2016 Cumulative Update 23, Microsoft Exchange Server 2019 Cumulative Update 15, Microsoft Exchange Server 2019 Cumulative Update 14
Fixed versions15.02.2562.046, 15.01.2507.072, 15.02.1748.049, 15.02.1544.044
Vendor guidance
Install KB5121573. Install KB5121576. Install KB5121574. Install KB5121575.
Microsoft Security Response CenterCVE-2026-62909
HighCVSS 7.8
.NET Elevation of Privilege Vulnerability
Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.
Affected products.NET 10.0 runtime installed on Linux, .NET 8.0 runtime installed on Linux, .NET 9.0 runtime installed on Linux, Microsoft Visual Studio 2026 version 18.8
Fixed versions10.0.11, 8.0.30, 9.0.19, 18.8.3
Vendor guidance
Install KB5122106. Install KB5122104. Install KB5122105.
Microsoft Security Response CenterCVE-2026-62908
HighCVSS 7.0
Windows Backup Engine Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Backup Engine 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-2026-62901
HighCVSS 7.5
.NET Denial of Service Vulnerability
Unchecked input for loop condition in .NET allows an unauthorized attacker to deny service over a network.
Affected productsMicrosoft Visual Studio 2026 version 18.8, .NET 10.0 runtime installed on Mac OS, .NET 10.0 runtime installed on Linux, .NET 8.0 runtime installed on Windows
Fixed versions18.8.3, 10.0.11, 8.0.30, 9.0.19
Vendor guidance
Install KB5122106. Install KB5122104. Install KB5122105.
Microsoft Security Response CenterCVE-2026-62900
HighCVSS 5.9
.NET Information Disclosure Vulnerability
Improper removal of sensitive information before storage or transfer in .NET allows an unauthorized attacker to disclose information over a network.
Affected productsMicrosoft Visual Studio 2026 version 18.8, .NET 10.0 runtime installed on Mac OS, .NET 10.0 runtime installed on Linux, .NET 8.0 runtime installed on Windows
Fixed versions18.8.3, 10.0.11, 8.0.30, 9.0.19
Vendor guidance
Install KB5122106. Install KB5122104. Install KB5122105.
Microsoft Security Response CenterCVE-2026-62899
HighCVSS 5.9
.NET Security Feature Bypass Vulnerability
Inconsistent interpretation of http requests ('http request/response smuggling') in .NET allows an unauthorized attacker to bypass a security feature over a network.
Affected products.NET 10.0 runtime installed on Mac OS, .NET 10.0 runtime installed on Linux, .NET 8.0 runtime installed on Windows, .NET 8.0 runtime installed on Linux
Fixed versions10.0.11, 8.0.30, 9.0.19, 17.14.38
Vendor guidance
Install KB5122106. Install KB5122104. Install KB5122105.
Microsoft Security Response CenterCVE-2026-62894
HighCVSS 7.8
Windows DWM Core Library Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows DWM Core Library 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.
Microsoft Security Response CenterCVE-2026-62892
HighCVSS 7.0
Capability Access Management Service (camsvc) Elevation of Privilege Vulnerability
Use after free in Capability Access Management Service (camsvc) 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.
Microsoft Security Response CenterCVE-2026-62797
HighCVSS 7.8
Windows NTFS Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows NTFS 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-2026-62796
HighCVSS 5.5
Windows NTFS Information Disclosure Vulnerability
Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information 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-2026-62795
HighCVSS 8.8
Windows LDAP - Lightweight Directory Access Protocol Remote Code Execution Vulnerability
Use after free in Windows LDAP - Lightweight Directory Access Protocol 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 versions10.0.17763.9121, 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-2026-62798
HighCVSS 5.5
Win32k Information Disclosure Vulnerability
Untrusted pointer dereference in Windows Win32K allows an authorized attacker to disclose information 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 23H2 for ARM64-based Systems
Fixed versions10.0.26100.33296, 10.0.26100.33222, 10.0.26200.9168, 10.0.26200.9106
Vendor guidance
Install KB5120233. Install KB5120228. Install KB5121003. Install KB5120994. Install KB5120240. Install KB5121000.
Microsoft Security Response CenterCVE-2026-62792
HighCVSS 8.1
Windows TCP/IP Remote Code Execution Vulnerability
Stack-based buffer overflow in Windows TCP/IP 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 versions10.0.17763.9121, 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-2026-62779
HighCVSS 7.8
Windows Schannel Elevation of Privilege Vulnerability
Use after free in Windows Schannel 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 versions10.0.26100.33296, 10.0.26100.33222, 10.0.26200.9168, 10.0.26200.9106
Vendor guidance
Install KB5120233. Install KB5120228. Install KB5121003. Install KB5120994. Install KB5121000.
Microsoft Security Response CenterCVE-2026-62785
HighCVSS 8.8
Windows LDAP - Lightweight Directory Access Protocol Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows LDAP - Lightweight Directory Access Protocol 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 versions10.0.17763.9121, 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-2026-62774
HighCVSS 7.0
Windows Graphics Kernel Elevation of Privilege Vulnerability
Use after free in Windows Graphics Kernel 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.
Microsoft Security Response CenterCVE-2026-62773
HighCVSS 7.0
Windows Kerberos Elevation of Privilege Vulnerability
Use after free in Windows Kerberos 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-2026-62766
HighCVSS 7.0
Windows Kerberos Elevation of Privilege Vulnerability
Double free in Windows Kerberos 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 versions10.0.26100.33296, 10.0.26100.33222, 10.0.26200.9168, 10.0.26200.9106
Vendor guidance
Install KB5120233. Install KB5120228. Install KB5121003. Install KB5120994. Install KB5121000.
Microsoft Security Response CenterCVE-2026-62783
HighCVSS 7.8
Windows Remote Access Connection Manager Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Remote Access Connection 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 versions10.0.17763.9121, 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.
Microsoft Security Response CenterCVE-2026-62750
HighCVSS 6.5
Windows HTTP Protocol Stack Tampering Vulnerability
Partial string comparison in Windows HTTP Protocol Stack allows an unauthorized attacker to perform tampering over an adjacent 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-2026-62735
HighCVSS 7.8
Windows HTTP.sys Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows HTTP.sys 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-2026-62729
HighCVSS 7.0
Windows Telephony Service Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony 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 versions10.0.17763.9121, 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-2026-62748
HighCVSS 7.0
Windows Telephony Service Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony 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 versions10.0.17763.9121, 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 ...
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.