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Microsoft Fixes Four SandboxEscaper Zero-Days

June 12, 2019 / Phil Muncaster

Microsoft has released its latest monthly security updates and there are four fixes for zero-day threats published recently by SandboxEscaper. In total Redmond fixed 88 vulnerabilities in this update round with 21 labelled critical. The four zero-days are all elevation of privilege flaws which affected Windows: CVE-2019-1069 is a bug in the Windows Task Scheduler, CVE-2019-1064 is an elevation of privilege bug in Windows, CVE-2019-1053 is a vulnerability in Windows Shell which could allow elevation of privilege on the affected system by escaping a sandbox and CVE-2019-0973 is a flaw in Windows Installer.The recently disclosed BlueKeep vulnerability (CVE-2019-0708) in RDP should also be a priority for system admins, after Microsoft warned that it could be “wormable” — that is, exploitable without the need for user interaction.