Researcher Discloses New Zero-Day Affecting All Versions of Windows

A security researcher has publicly disclosed an unpatched zero-day vulnerability in all supported versions of Microsoft Windows operating system (including server editions) after the company failed to patch a responsibly disclosed bug within the 120-days deadline.

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Discovered by Lucas Leong of the Trend Micro Security Research team, the zero-day vulnerability resides in Microsoft Jet Database Engine that could allow an attacker to remotely execute malicious code on any vulnerable Windows computer.

The Microsoft JET Database Engine, or simply JET (Joint Engine Technology), is a database engine integrated within several Microsoft products, including Microsoft Access and Visual Basic.

According to the an advisory released by Zero Day Initiative (ZDI), the vulnerability is due to a problem with the management of indexes in the Jet database engine that, if exploited successfully, can cause an out-out-bounds memory write, leading to remote code execution.

According to the ZDI researchers, the vulnerability exists in all supported Windows versions, including Windows 10, Windows 8.1, Windows 7, and Windows Server Edition 2008 to 2016.

Read more: The Hacker News