Microsoft Fixes 45 Vulnerabilities with new Security Update Guide – says goodbye to Security Bulletins

Today is the first month since 1998 in which Microsoft stopped releasing security bulletins with the familiar MSxx-xxx format and replaced it with the new security update guide. We talked about this change earlier in a few blog posts and finally today it’s time to say good bye to security bulleti...

Microsoft Patches Three Vulnerabilities Under Attack

Microsoft today patched a zero-day Word vulnerability that has been publicly attacked along with deploying fixes for Internet Explorer, Microsoft Edge and Windows 10. In all, nine Microsoft products received updates totaling 45 unique CVEs. Three of the vulnerabilities among Tuesday’s updates,...

April 11, 2017—KB4015548 (Security-only update)

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April 11, 2017—KB4015547 (Security-only update)

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Security update for the Hyper-V denial of service vulnerability in Windows Server 2008: April 11, 2017

Security update for the Hyper-V denial of service vulnerability in Windows Server 2008: April 11, 2017 Summary To learn more about the vulnerability, go to CVE-2017-0184. More Information Important If you install a language pack after you install this update, you must reinstall this update...

April 11, 2017—KB4015551 (Monthly Rollup)

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April 11, 2017—KB4015550 (Monthly Rollup)

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April 11, 2017—KB4015583 (OS Build 15063.138)

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Security update for the Hyper-V vulnerability in Windows Server 2008: April 11, 2017

Security update for the Hyper-V vulnerability in Windows Server 2008: April 11, 2017 Summary To learn more about the vulnerability, see the following Common Vulnerabilities and Exposures CVE. CVE-2017-0163 CVE-2017-0168 CVE-2017-0180 More Information Important If you install a language pack after...

Hyper-V Remote Code Execution Vulnerability

A remote code execution vulnerability exists when Windows Hyper-V Network Switch on a host server fails to properly validate input from an authenticated user on a guest operating system. To exploit the vulnerability, an attacker could run a specially crafted application on a guest operating syste...

Windows Hyper-V Denial of Service Vulnerability

A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate input from a privileged user on a guest operating system. To exploit the vulnerability, an attacker who already has a privileged account on a guest operating system, running as a virtual...

Hyper-V Remote Code Execution Vulnerability

A remote code execution vulnerability exists when Windows Hyper-V Network Switch on a host server fails to properly validate input from an authenticated user on a guest operating system. To exploit the vulnerability, an attacker could run a specially crafted application on a guest operating syste...

Windows Hyper-V Denial of Service Vulnerability

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash. To exploit the...

Windows Hyper-V Denial of Service Vulnerability

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash. To exploit the...

Windows Hyper-V Information Disclosure Vulnerability

An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system. To exploit the vulnerability, an attacker on a guest operating system could run a specially crafted application...

Hyper-V Remote Code Execution Vulnerability

A remote code execution vulnerability exists when Windows Hyper-V Network Switch on a host server fails to properly validate input from an authenticated user on a guest operating system. To exploit the vulnerability, an attacker could run a specially crafted application on a guest operating syste...

Windows Hyper-V Denial of Service Vulnerability

A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate input from a privileged user on a guest operating system. To exploit the vulnerability, an attacker who already has a privileged account on a guest operating system, running as a virtual...

Windows Hyper-V Denial of Service Vulnerability

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash. To exploit the...

Hyper-V Remote Code Execution Vulnerability

A remote code execution vulnerability exists when Windows Hyper-V Network Switch on a host server fails to properly validate input from an authenticated user on a guest operating system. To exploit the vulnerability, an attacker could run a specially crafted application on a guest operating syste...

Hyper-V Information Disclosure Vulnerability

An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host operating system fails to properly validate input from an authenticated user on a guest operating system. To exploit the vulnerability, an attacker on a guest operating system could run a specially...