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Microsoft February 2026 Patch Tuesday: A Comprehensive Overview of the Latest Security Updates

Microsoft's February 2026 Patch Tuesday has released 58 security updates, including six actively exploited zero-day vulnerabilities. Organizations must review the complete list of resolved vulnerabilities and apply the necessary patches to protect their systems and data from potential threats.

Microsoft's February 2026 Patch Tuesday released 58 security updates, including six actively exploited zero-day vulnerabilities.

The six zero-day vulnerabilities are: CVE-2026-21519, CVE-2026-21525, CVE-2026-21513, and three publicly disclosed zero-day vulnerabilities discovered by Microsoft's Threat Intelligence Center (MSTIC) and Security Response Center (MSRC).

The patches address various vulnerabilities in Microsoft software products, including Azure Arc, Azure DevOps Server, Azure Front Door (AFD), and more.

Organizations are advised to review the complete list of resolved vulnerabilities and apply the necessary patches to protect their systems and data from potential threats.

Microsoft's February 2026 Patch Tuesday has brought a total of 58 security updates, including six actively exploited zero-day vulnerabilities and three publicly disclosed zero-day vulnerabilities. This comprehensive overview aims to provide a detailed analysis of the latest security patches released by Microsoft.

In recent weeks, Microsoft has been actively releasing security updates to address various vulnerabilities in its software products. The February 2026 Patch Tuesday is no exception, as it includes a wide range of fixes for both critical and non-critical vulnerabilities. Among the 58 updates released this month, six are zero-day vulnerabilities that have already been exploited by attackers.

The first zero-day vulnerability, CVE-2026-21519, affects the Desktop Window Manager and can be exploited to gain SYSTEM privileges. According to Microsoft, an attacker who successfully exploits this vulnerability can access sensitive information on a system with elevated privileges. The vulnerability was discovered by Microsoft's Threat Intelligence Center (MSTIC) and Security Response Center (MSRC).

Another zero-day vulnerability, CVE-2026-21525, affects the Windows Remote Access Connection Manager and can be exploited to deny service locally. This denial of service flaw can allow an unauthorized attacker to disrupt remote access connections. The vulnerability was discovered by the 0patch vulnerability research team.

The third publicly disclosed zero-day vulnerability, CVE-2026-21513, also affects the Desktop Window Manager and can be exploited to gain SYSTEM privileges. According to Microsoft, an attacker who successfully exploits this vulnerability can access sensitive information on a system with elevated privileges. The vulnerability was discovered by MSTIC and MSRC.

In addition to the six zero-day vulnerabilities, the February 2026 Patch Tuesday includes fixes for numerous other critical and non-critical vulnerabilities in various Microsoft software products. These updates include security patches for Azure Arc, Azure DevOps Server, Azure Front Door (AFD), and more.

Among the fixes released this month are several elevation of privilege vulnerabilities that can be exploited by attackers to gain unauthorized access to systems or data. For example, CVE-2026-21522 affects the Azure DevOps Server and can be exploited to elevate privileges locally. Similarly, CVE-2026-21257 affects GitHub Copilot and Visual Studio Code and can be exploited to elevate privileges.

The February 2026 Patch Tuesday also includes fixes for several information disclosure vulnerabilities that can allow attackers to gain sensitive information about systems or applications. For example, CVE-2026-21518 affects the Windows App for Mac and can be exploited to bypass security features. Similarly, CVE-2026-21253 affects the Mailslot File System and can be exploited to elevate privileges.

In addition to the above vulnerabilities, the February 2026 Patch Tuesday also includes fixes for several denial of service vulnerabilities that can disrupt system operations or services. For example, CVE-2026-21525 affects the Windows Remote Access Connection Manager and can be exploited to deny service locally.

It is essential to note that Microsoft has released a total of 58 security updates this month, including six zero-day vulnerabilities and numerous critical and non-critical fixes. Organizations are advised to review the complete list of resolved vulnerabilities and apply the necessary patches to protect their systems and data from potential threats.

In conclusion, the February 2026 Patch Tuesday has brought a significant number of security updates to address various vulnerabilities in Microsoft software products. As with any new release, it is crucial for organizations to stay vigilant and apply the necessary patches to prevent potential exploitation of these vulnerabilities.

Microsoft's February 2026 Patch Tuesday has released 58 security updates, including six actively exploited zero-day vulnerabilities. Organizations must review the complete list of resolved vulnerabilities and apply the necessary patches to protect their systems and data from potential threats.

Related Information:

https://www.ethicalhackingnews.com/articles/Microsoft-February-2026-Patch-Tuesday-A-Comprehensive-Overview-of-the-Latest-Security-Updates-ehn.shtml

https://www.bleepingcomputer.com/news/microsoft/microsoft-february-2026-patch-tuesday-fixes-6-zero-days-58-flaws/

https://msftnewsnow.com/microsoft-patch-tuesday-february-10-2026-windows/

https://nvd.nist.gov/vuln/detail/CVE-2026-21519

https://www.cvedetails.com/cve/CVE-2026-21519/

https://nvd.nist.gov/vuln/detail/CVE-2026-21513

https://www.cvedetails.com/cve/CVE-2026-21513/

https://nvd.nist.gov/vuln/detail/CVE-2026-21522

https://www.cvedetails.com/cve/CVE-2026-21522/

https://nvd.nist.gov/vuln/detail/CVE-2026-21257

https://www.cvedetails.com/cve/CVE-2026-21257/

https://nvd.nist.gov/vuln/detail/CVE-2026-21518