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Microsoft Patches Windows Zero-Day Exploited by 'FruityArmor' Group

October 09, 2018 / Eduard Kovacs

Microsoft's Patch Tuesday updates for October 2018 resolve nearly 50 vulnerabilities, including a Windows zero-day flaw exploited by an advanced persistent threat (APT) actor known as FruityArmor. The zero-day, tracked as CVE-2018-8453, has been described by Microsoft as a privilege escalation issue related to how the Win32k component of Windows handles objects in memory. The company says an authenticated attacker can exploit the security hole to elevate privileges and take control of the affected system. According to Microsoft, the vulnerability has been actively exploited against older versions of Windows, but exploitation may also be possible on the latest versions of the operating system.