cve 2025 59221

CVE-2025-59221 is a serious remote code execution vulnerability in Microsoft Word that Microsoft has confirmed and patched across multiple Office product lines. The flaw affects Word's document parsing logic, making it a high-value target for attackers. Microsoft's guidance emphasizes that customers must install every update that applies to their specific Office or Word builds, as multiple update packages may be published and can be installed in any order. This tag covers discussions about the vulnerability, affected builds, and the patching process for Windows users running Microsoft Office.