Malware alert! Critical security flaws threaten Windows computers and devices equipped with the American giant's software (Office, Outlook, Excel, 365 Apps, etc.), warns the website Cybermalveillance.gouv.fr. The message published by the government website mentions the existence of "numerous critical security flaws" in operating systems such as Windows 10 and Windows 11, as well as several versions of the Office suite and software such as Outlook or Excel.
What are the risks?
Cybercriminals are said to be actively exploiting some of these security flaws and the consequences can be serious. They can take control of your devices remotely, spy on you, steal your confidential data, and even destroy them. Significant risks for individuals, but also for associations and businesses. Fortunately, Microsoft has already released updates to correct these problems.
What should I do?
The security bulletin from the government site mentions a risk for Windows 10, Windows 11 and many versions of Windows Server (2008, 2012, 2016, 2019, 2022, 2025). In addition, the Microsoft Office suite (2016, 2019, 2021, 2024) appears in this list with the versions for Android, iOS and Mac. Applications such as Outlook 2016, Outlook for Mac, Access and Excel 2016, OneNote for Mac or Microsoft 365 Apps are concerned.
The government website recommends updating all at-risk equipment as soon as possible. Security patches, made available by the publisher, may have already been offered to you on your machines. If this has not yet been the case, do not delay in installing them to protect yourself from the risks. For individuals, a simple visit to Windows Update and your favorite smartphone app store should be enough. The message from Cybermalveillance.gouv.fr is also aimed at associations and companies that deploy updates on their computer systems.
Windows is a prime target, but it is not the only one
The year 2025 is off to a strong start for Microsoft teams and is based on the same principles as 2024. The Redmond firm did not hold back last year by patching no less than 1,009 security holes, a record since 2020. Zero-day flaws are preferred by cybercriminals and these dizzying numbers can be explained by the popularity of Windows. Microsoft's operating system remains the most used on desktops, tablets and consoles.
Recent news reminds us of the importance of cybersecurity and the alert from Cybermalveillance.gouv.fr focuses on Microsoft products. However, it is crucial to remember that security breaches can affect all operating systems and software, including Linux, macOS, Android, iOS, and cloud services like Azure. It is therefore essential to keep all your devices and software up to date, regardless of their brand. "Hundreds of security flaws corrected in January updates," the government website also reminds us on its social networks.
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