Note Please see the Security Update Guide for a new approach to consuming the security update information. For information regarding the likelihood, within 30 days of this security bulletin’s release, of the exploitability of the vulnerability in relation to its severity rating and security impact, please see the Exploitability Index in the March bulletin summary. The severity ratings indicated for each affected software assume the potential maximum impact of the vulnerability. To determine the support life cycle for your software version or edition, see Microsoft Support Lifecycle. Versions or editions that are not listed are either past their support life cycle or are not affected. The following software versions or editions are affected. Affected Software and Vulnerability Severity Ratings Modifying how the iSNS Server service parses requests.įor more information about the vulnerabilities, see the Vulnerability Information section.įor more information about this update, see Microsoft Knowledge Base Article 4013078.Correcting how Helppane.exe authenticates the client.Modifying how Windows dnsclient handles requests.Correcting how Windows validates input before loading DLL files.Correcting how the Microsoft SMBv2/SMBv3 Client handles specially crafted requests.Correcting how Device Guard validates certain elements of signed PowerShell scripts.The security update addresses the vulnerabilities by: For more information, see the Affected Software and Vulnerability Severity Ratings section. This security update is rated Critical for Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows 10 Version 1607 and Windows Server 2016, and Important for Windows Vista, Windows 7, Windows 8.1, Windows RT 8.1, Windows 10, and Windows 10 Version 1511. The most severe of the vulnerabilities could allow remote code execution if an attacker runs a specially crafted application that connects to an iSNS Server and then issues malicious requests to the server. This security update resolves vulnerabilities in Microsoft Windows. Feedback In this article Security Update for Microsoft Windows (4013078)
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