Every month, Microsoft releases its Patch Tuesday updates a series of security patches aimed at protecting its systems, applications, and services from potential threats. This month, the tech giant has taken a significant step by addressing no fewer than 133 vulnerabilities across its various products. Among these, 11 were classified as critical , meaning they could be exploited by cybercriminals to cause substantial damage.
But that’s not all: Microsoft also reported that one of these vulnerabilities is already being actively exploited by attackers at the time of the update release. This highlights the critical importance of not ignoring these updates and acting quickly to secure your devices.
Which Products Are Affected?
The April updates cover a wide range of Microsoft products and components, including:
- Windows operating systems (Windows 10, Windows 11, etc.)
- Office applications (Word, Excel, PowerPoint, etc.)
- Azure cloud services
- Development tools like .NET and Visual Studio
- Essential system components such as BitLocker, Kerberos, Windows Hello, OpenSSH, and LDAP
In short, nearly all of Microsoft’s flagship products received patches, showcasing the breadth of efforts to address security gaps.
The Vulnerabilities Addressed: A Closer Look
Here’s a partial list of the vulnerabilities fixed, identified by their CVE (Common Vulnerabilities and Exposures) codes:
- CVE-2025-29824 : A critical vulnerability in Windows that could allow remote code execution.
- CVE-2025-26670 : An issue in Office that could compromise user data.
- CVE-2025-27752 : A flaw in Azure exposing users to potential data breaches.
- CVE-2025-29791 : A vulnerability in Kerberos that could be exploited to bypass authentication mechanisms.
While these identifiers may seem technical, they represent real-world threats that could impact the security of your devices and personal data.
Why Are These Updates Important?
Cyberattacks are constantly evolving, and hackers are always looking for vulnerabilities to exploit. Unpatched vulnerabilities can expose your devices to risks such as:
- Remote Code Execution : Attackers can take full control of your device without your consent.
- Data Theft : Sensitive information like banking details, passwords, and personal files can be compromised.
- Ransomware : Your files could be encrypted and made inaccessible until you pay a ransom.
By applying these patches, you significantly reduce these risks and protect your devices against current and future threats.
How to Stay Protected: Our Recommendations
Enable Automatic Updates
For Windows, go to Settings > Update & Security > Windows Update and enable automatic updates. This ensures your devices receive patches as soon as they’re released.Regularly Check Your Applications
Make sure all your Microsoft applications (Office, Visual Studio, etc.) are up to date. Some apps may require manual updates.Use Reliable Antivirus Software
While patches are essential, a good antivirus program can add an extra layer of protection against threats.Educate Yourself on Cybersecurity
Learn to recognize phishing attempts and other social engineering techniques that could compromise your devices.Back Up Your Data Regularly
In the event of a successful attack, having a recent backup will allow you to recover your files without paying a ransom.
Conclusion: Security Is a Shared Responsibility
Microsoft does an excellent job of patching these vulnerabilities each month, but the ultimate responsibility lies with users. As an end-user, it’s crucial to stay vigilant and update your devices as soon as possible. Don’t let a simple oversight expose your data and privacy to cybercriminals.
So, have you checked if your devices are up to date yet? Take a few minutes to do it right no your peace of mind depends on it!
Full list of Vulnerabilities (updated avril 2025)
- CVE-2025-29824
- CVE-2025-26670
- CVE-2025-27752
- CVE-2025-29791
- CVE-2025-27745
- CVE-2025-27748
- CVE-2025-27749
- CVE-2025-27491
- CVE-2025-26663
- CVE-2025-27480
- CVE-2025-27482
- CVE-2025-26686
- CVE-2025-27740
- CVE-2025-29810
- CVE-2025-26682
- CVE-2025-25002
- CVE-2025-26628
- CVE-2025-27489
- CVE-2025-26637
- CVE-2025-29812
- CVE-2025-27473
- CVE-2025-27479
- CVE-2025-29800
- CVE-2025-29801
- CVE-2025-24060
- CVE-2025-24062
- CVE-2025-24073
- CVE-2025-24074
- CVE-2025-29821
- CVE-2025-29815
- CVE-2025-27750
- CVE-2025-27751
- CVE-2025-29823
- CVE-2025-26641
- CVE-2025-27744
- CVE-2025-29792
- CVE-2025-26642
- CVE-2025-27746
- CVE-2025-29822
- CVE-2025-27731
- CVE-2025-29793
- CVE-2025-29794
- CVE-2025-27471
- CVE-2025-27743
- CVE-2025-26688
- CVE-2025-27747
- CVE-2025-29820
- CVE-2025-29816
- CVE-2025-27483
- CVE-2025-27733
- CVE-2025-27741
- CVE-2025-27742
- CVE-2025-29805
- CVE-2025-27487
- CVE-2025-26679
- CVE-2025-20570
- CVE-2025-29802
- CVE-2025-29804
- CVE-2025-29803
- CVE-2025-26681
- CVE-2025-26687
- CVE-2025-29819
- CVE-2025-27490
- CVE-2025-29808
- CVE-2025-26678
- CVE-2025-26640
- CVE-2025-27467
- CVE-2025-27476
- CVE-2025-27730
- CVE-2025-24058
- CVE-2025-27732
- CVE-2025-26635
- CVE-2025-26644
- CVE-2025-27727
- CVE-2025-26647
- CVE-2025-29809
- CVE-2025-26648
- CVE-2025-27739
- CVE-2025-27728
- CVE-2025-26673
- CVE-2025-27469
- CVE-2025-21191
- CVE-2025-27478
- CVE-2025-26651
- CVE-2025-27472
- CVE-2025-26666
- CVE-2025-26674
- CVE-2025-29811
- CVE-2025-21197
- CVE-2025-27736
- CVE-2025-21204
- CVE-2025-26671
- CVE-2025-27738
- CVE-2025-21203
- CVE-2025-26664
- CVE-2025-26667
- CVE-2025-26669
- CVE-2025-26672
- CVE-2025-26676
- CVE-2025-27474
- CVE-2025-26668
- CVE-2025-26649
- CVE-2025-27492
- CVE-2025-27737
- CVE-2025-27729
- CVE-2025-21174
- CVE-2025-26652
- CVE-2025-26680
- CVE-2025-27470
- CVE-2025-27485
- CVE-2025-27486
- CVE-2025-26675
- CVE-2025-21205
- CVE-2025-21221
- CVE-2025-21222
- CVE-2025-27477
- CVE-2025-27481
- CVE-2025-27484
- CVE-2025-27475
- CVE-2025-26665
- CVE-2025-26639
- CVE-2025-27735
- CVE-2025-25001
- CVE-2025-29796
- CVE-2025-3066
- CVE-2025-3067
- CVE-2025-3068
- CVE-2025-3069
- CVE-2025-3070
- CVE-2025-3071
- CVE-2025-3072
- CVE-2025-3073
- CVE-2025-3074
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