A vulnerability in Microsoft Office has been identified, enabling attackers to execute arbitrary code remotely. The affected systems include Microsoft 365 Apps for Enterprise (32-bit and 64-bit), Microsoft Excel 2016 (32-bit and 64-bit) versions prior to 16.0.5561.1001, Microsoft Office 2019 (32-bit and 64-bit), and various Office LTSC editions. Microsoft’s security bulletin CVE-2026-62870 details the vulnerability, urging users to apply patches available through the provided update guide. The advisory, published on August 3, 2026, emphasizes the risk of remote code execution. Users are advised to consult the official Microsoft security documentation for remediation steps.
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