France warns of multiple vulnerabilities in Microsoft Office

The flaws could allow attackers to run code remotely, access confidential data and bypass security policies.

France’s National Agency for the Security of Information Systems has reported multiple vulnerabilities in Microsoft Office. It advised users to consult Microsoft’s security bulletins for fixes.

Source: Национальное агентство безопасности информационных систем

Microsoft Office application open on a laptop screen — France’s cybersecurity agency has warned about vulnerabilities in Microsoft Office products. Illustrative photo. Photo: yeiferr / Pixabay, Pixabay Content License

France’s National Agency for the Security of Information Systems has warned of multiple vulnerabilities in Microsoft Office. They could allow an attacker to execute arbitrary code remotely, compromise data confidentiality or bypass security policies.

The affected products include Microsoft 365 Apps for enterprise for 32-bit and 64-bit systems, and Microsoft Office 365 for Mac versions earlier than 16.114.26101123.

The notice also lists Microsoft Office LTSC 2021 and 2024 for 32-bit and 64-bit systems, Microsoft Office LTSC for Mac 2021 and 2024, and Office Online Server. Affected versions are earlier than 16.0.14334.20974 for LTSC 2021, 16.0.17932.21056 for LTSC 2024, 16.114.26101123 for the listed Mac editions, and 16.0.10417.20228 for Office Online Server.

The agency advised users to refer to Microsoft’s security bulletins to obtain fixes. Its documentation lists bulletins published on 15 October 2026 for CVE-2026-108426 through CVE-2026-108451, and CVE-2026-108453 through CVE-2026-108455.

Translated from French using artificial intelligence. Source: Национальное агентство безопасности информационных систем

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France warns of multiple vulnerabilities in Microsoft Office

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