A vulnerability in Microsoft Office applications could allow attackers to compromise data confidentiality. The issue, tracked as CVE-2026-70105, affects multiple versions of Microsoft 365 Apps, Office 2019, Office 365 for Mac, and Office LTSC editions across 32-bit and 64-bit platforms. Affected systems include versions prior to 16.112.26081010 for Mac and specific Word 2016 editions. Microsoft’s security bulletin advises users to apply updates available through their official security resources. The French National Cybersecurity Agency (ANSSI) has issued this advisory as part of its official documentation management process. Users are urged to consult the provided security bulletin for detailed remediation steps.
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