Remote Code Execution Flaw in Microsoft Office Excel

CVE-2026-118712

What is CVE-2026-118712?

An integer underflow vulnerability in Microsoft Office Excel enables an unauthorized attacker to execute arbitrary code over a network. This flaw could be exploited to gain control over affected systems, potentially allowing unauthorized access to sensitive data and functionalities. Users are advised to apply the relevant security patches provided by Microsoft to mitigate this risk. For more details, you can refer to the official advisory.

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