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Patch Management / Patch Tuesday / Windows / Windows 10 / Windows 7 / Windows Server

Microsoft Patches Severe Bug in Remote Desktop Services

Microsoft Patches Severe Bug in Remote Desktop Services
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One of the more critical security holes that Microsoft is patching this month is one in its Remote Desktop Services.

Today Microsoft released fixes for a critical Remote Code Execution vulnerability, CVE-2019-0708, in Remote Desktop Services – formerly known as Terminal Services – that affects some older versions of Windows. The Remote Desktop Protocol (RDP) itself is not vulnerable. This vulnerability is pre-authentication and requires no user interaction. In other words, the vulnerability is ‘wormable’, meaning that any future malware that exploits this vulnerability could propagate from vulnerable computer to vulnerable computer in a similar way as the WannaCry malware spread across the globe in 2017. While we have observed no exploitation of this vulnerability, it is highly likely that malicious actors will write an exploit for this vulnerability and incorporate it into their malware. 

This particular vulnerability is so dire that Microsoft is also including updates for older systems that run Windows Server 2003 and Windows XP.

Out-of-support systems include Windows 2003 and Windows XP. If you are on an out-of-support version, the best way to address this vulnerability is to upgrade to the latest version of Windows. Even so, we are making fixes available for these out-of-support versions of Windows in KB4500705

Those running Windows 8 and Windows 10 are unaffected by this bug. However, companies still invested in running Windows 7, Windows Server 2008 R2, and Windows Server 2008 need to patch right away.

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