This month's Patch Tuesday updates deal with 55 flaws in Windows, SQL Server, Microsoft Office, and Visual Studio, and include a zero-day vulnerability in a key Windows component.
This month's Patch Tuesday release was a big one, and includes fixes for Microsoft browsers and two zero-day vulnerabilities for Windows. Time to get busy updating!
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Greg Lambert evaluates the risks to existing applications and environments in each month s Patch Tuesday cycle.
Browser updates are back for the May s Patch Tuesday
This month s Patch Tuesday round-up includes 55 updates, three publicly reported vulnerabilities and possible public exploits for Adobe Reader. In other words, the update will require some testing before being deployed. Putilich / Getty Images
With 55 updates, three publicly reported vulnerabilities and reported public exploits for Adobe Reader, this week s Patch Tuesday update will require some time and testing before deployment. There are some tough testing scenarios (we re looking at you, OLE) and kernel updates make for risky deployments. Focus on the IE and Adobe Reader patches and take your time with the (technically challenging) Exchange and Windows updates.
Microsoft fixes WSUS bug blocking May Windows security updates
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Microsoft has resolved a known issue preventing managed devices from receiving the May 2021 Patch Tuesday Windows security updates. When checking for updates within Windows Server Update Services (WSUS) or Microsoft Endpoint Configuration Manager and managed devices that connect to these servers, this month s security updates might not be available or offered, as Microsoft explained on the Windows Health Dashboard. This might also affect Security Only and Internet Explorer Cumulative Rollups, on platforms that receive these types of updates.
The known issue impacted both client and server platforms, from Windows 7 SP1 and Windows Server 2008 SP2 up to the latest versions, Windows 10 20H2 and Windows Server 20H2.