22131 matches found
2026-01 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5073457)
Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer...
2026-01 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5073722)
A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...
CVE-2026-20934
Concurrent execution using shared resource with improper synchronization 'race condition' in Windows SMB Server allows an authorized attacker to elevate privileges over a network...
CVE-2026-20927 Windows SMB Server Denial of Service Vulnerability
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CVE-2026-20926
Concurrent execution using shared resource with improper synchronization 'race condition' in Windows SMB Server allows an authorized attacker to elevate privileges over a network...
CVE-2026-20921
CVE-2026-20921 is a Windows SMB Server vulnerability described as a race condition in a shared resource that could allow an authenticated attacker to elevate privileges over the network. Connected sources indicate this CVE is listed under Windows SMB Server with an exploitability/impact profile (...
CVE-2026-20856 Windows Server Update Service (WSUS) Remote Code Execution Vulnerability
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CVE-2026-20856
CVE-2026-20856 is a Windows Server Update Services (WSUS) remote code execution vulnerability caused by improper input validation. Exploitation is possible over a network with no user interaction; CVSSv3.1 base score 8.1 (High). Public references note this is addressed by January 2026 security up...
CVE-2026-20856
Improper input validation in Windows Server Update Service allows an unauthorized attacker to execute code over a network...
January 13, 2026—KB5073697 (Monthly Rollup)
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January 13, 2026—KB5073696 (Monthly Rollup)
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January 13, 2026—KB5073695 (Monthly Rollup)
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Windows SMB Server Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization 'race condition' in Windows SMB Server allows an authorized attacker to elevate privileges over a network...
January 13, 2026—KB5073698 (Monthly Rollup)
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January 13, 2026—KB5073457 (OS Build 20348.4648)
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January 13, 2026—KB5073379 (OS Build 26100.32230)
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January 13, 2026—KB5073723 (OS Build 17763.8276)
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January 13, 2026—KB5073700 (Security-only update)
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