msrc-blog

Today, we released a security bulletin to provide an update for Microsoft Windows. Customers who have automatic updates enabled or apply the update, will be protected. We recommend customers apply the update as soon as possible, following the directions in the security bulletin. More information about this bulletin can be found at Microsoft’s Bulletin Summary page.

Today we released security updates for Microsoft Windows, Microsoft Office, Microsoft SQL Server, and Internet Explorer. As a best practice, we encourage customers to apply security updates as soon as they are released. For more information about this month’s security updates and advisories visit the Security TechNet Library. You can also follow the Microsoft Security Response Center (MSRC) team on Twitter at @MSFTSecResponse

In the last several releases of Windows, we’ve been working hard to make the platform much more powerful for administrators, developers, and power users alike. PowerShell is an incredibly useful and powerful language for managing Windows domains. Unfortunately, attackers can take advantage of these same properties when performing “post-exploitation” activities (actions that are performed after a system has been compromised).

Today, as part of Update Tuesday, we released 8 security bulletins. We encourage customers to apply all of these updates. For more information about this month’s security updates, including the detailed view of the Exploitability Index (XI), visit the Microsoft Bulletin Summary webpage. If you are not familiar with how we calculate the XI, a full description can be found here.

Today, as part of Update Tuesday, we released 13 security bulletins. We encourage customers to apply all of these updates. For more information about this month’s security updates, including a detailed view of the Exploitability Index (XI), visit the Microsoft Bulletin Summary webpage. If you are not familiar with how we calculate the XI, a full description can be found here.

Update 2/22/17: Removed _Guest-to-Host DoS (non-distributed, from a single guest) _from Hyper-V escape bounty list. I am excited to announce significant expansions to the Microsoft Bounty Programs. We are evolving the ‘Online Services Bug Bounty, launching a new bounty for Project Spartan, and updating the Mitigation Bypass Bounty. This continued evolution includes additions to the Online Services Bug Bounty Program:

Today, as part of Update Tuesday, we released 11 security bulletins. We encourage customers to apply all of these updates. For more information about this month’s security updates, including the detailed view of the Exploitability Index (XI), visit the Microsoft Bulletin Summary webpage. If you are not familiar with how we calculate the XI, a full description can be found here.

Today, we’re releasing the Enhanced Mitigation Experience Toolkit (EMET) 5.2, which includes increased security protections to improve your security posture. You can download EMET 5.2 from microsoft.com/emet or directly from here. Following is the list of the main changes and improvements: Control Flow Guard: EMET’s native DLLs have been compiled with Control Flow Guard (CFG).

Today, as part of Update Tuesday, we released 14 security bulletins to address vulnerabilities in Microsoft Windows, Microsoft Office, Microsoft Exchange, and Internet Explorer. We encourage customers to apply all of these updates. For more information about this month’s security updates, including the detailed view of the Exploitability Index (XI) broken down by each Common Vulnerabilities and Exposures (CVE), visit the Microsoft Bulletin Summary webpage.

Today, we released Security Advisory 3046015 to provide guidance to customers in response to the SSL/TLS issue referred to by researchers as “FREAK” (Factoring attack on RSA-EXPORT Keys). Our investigation continues and we’ll take the necessary steps to protect our customers. MSRC Team