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Microsoft Patches Zero-Day Under Active Attack by APT

October 10, 2018

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A zero-day vulnerability tied to the Window’s Win32k component is under active attack, warns Microsoft.

Microsoft has issued a patch for a zero-day bug being actively exploited in the wild, as part of its Patch Tuesday security bulletin. The vulnerability is an elevation-of-privilege flaw, rated important, affecting the Windows Win32k component.

The zero-day (CVE-2018-8453), found by Kaspersky Lab, could allow an adversary to run arbitrary code in kernel mode on targeted systems. “An attacker could then install programs; view, change or delete data; or create new accounts with full user rights,” Microsoft wrote in its patch update. Windows 7, 8.1, 10, and Server 2008, 2012, 2016, and 2019 are affected.

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