BlueKeep (CVE-2019-0708) is a security vulnerability that was discovered in Microsoft’s remote Desktop Protocol implementation, which allows for the possibility of remote code execution.
First reported in May 2019, it is present in all unpatched Windows NT-based versions of Microsoft Windows from Windows 2000 through Windows Server 2008 R2 and Windows 7. Microsoft issued a security patch (including an out-of-band update for several versions of Windows that have reached their end-of-life, such as Windows XP on 14 May 2019. On 13 August 2019, related BlueKeep security vulnerabilities,
Collectively named Dejablue, were reported to affect newer Windows 10 of the operating system, as well as the older Windows versions. On 6 September 2019, a Metasploit exploit of the wormable BlueKeep security vulnerability was announced to have been released into the public realm.
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