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Microsoft's Patch Tuesday security updates for February 2026 address a total of 62 newly discovered vulnerabilities across various Microsoft products and services. This latest batch of security patches includes fixes for six actively exploited zero-day vulnerabilities, three of which have been publicly disclosed. The affected components include Windows, Office, Azure, Edge, Exchange, Hyper-V, WSL, and other Microsoft products. Among the most critical vulnerabilities addressed by this update is CVE-2026-21510, which allows attackers to bypass SmartScreen security warnings.
M Microsoft has released its Patch Tuesday security updates for February 2026, addressing 62 newly discovered vulnerabilities across various products.The severity of the vulnerabilities ranges from critical to medium, with six actively exploited zero-day vulnerabilities.CVE-2026-21510 allows attackers to bypass SmartScreen security warnings by tricking users into opening a crafted malicious link or shortcut file.CVE-2026-21513 is an Internet Explorer security control bypass that can lead to code execution when a victim opens a malicious HTML page or LNK file.CVE-2026-21514 is another Microsoft 365 and Office flaw that bypasses OLE security mitigations, enabling malicious activity when a specially crafted Office document is opened.The Windows Desktop Window Manager vulnerability enables local privilege escalation and elevated system access, allowing attackers to gain unauthorized access to sensitive areas of the system.CVE-2026-21525 is a Windows Remote Access Connection Manager bug that can be abused by a local attacker to cause a denial-of-service condition.CVE-2026-21533 allows attackers to escalate privileges to SYSTEM, highlighting the importance of timely patching and keeping systems up-to-date.
Microsoft has released its Patch Tuesday security updates for February 2026, addressing a total of 62 newly discovered vulnerabilities across various Microsoft products and services. This latest batch of security patches includes fixes for six actively exploited zero-day vulnerabilities, three of which have been publicly disclosed.
The severity of these vulnerabilities ranges from critical to medium, with two rated as moderate and five classified as high. The affected components include Windows, Office, Azure, Edge, Exchange, Hyper-V, WSL, and other Microsoft products.
Among the most critical vulnerabilities addressed by this update is CVE-2026-21510, which has a CVSS score of 7.5 - High. This vulnerability allows attackers to bypass SmartScreen security warnings by tricking users into opening a crafted malicious link or shortcut file. The CVSS (Common Vulnerability Scoring System) score is a widely accepted standard for measuring the severity and potential impact of a vulnerability.
Another critical vulnerability, CVE-2026-21513, has a CVSS score of 8.8 - High. This Internet Explorer security control bypass can lead to code execution when a victim opens a malicious HTML page or LNK file. The fact that this vulnerability is publicly disclosed highlights the importance of timely patching and the need for users to keep their systems up-to-date.
CVE-2026-21514, with a CVSS score of 8.1 - High, is another Microsoft 365 and Office flaw that bypasses OLE security mitigations, enabling malicious activity when a specially crafted Office document is opened. This vulnerability has significant implications for organizations that rely heavily on these applications for their daily operations.
The Windows Desktop Window Manager vulnerability, CVE-2026-21519, has a CVSS score of 7.8 - High and enables local privilege escalation and elevated system access. This vulnerability allows attackers to gain unauthorized access to sensitive areas of the system.
CVE-2026-21525, with a CVSS score of 6.5 - Medium, is a Windows Remote Access Connection Manager bug that can be abused by a local attacker to cause a denial-of-service condition.
Lastly, CVE-2026-21533 has a CVSS score of 8.8 - High and allows attackers to escalate privileges to SYSTEM.
The full list of CVEs addressed by Microsoft's Patch Tuesday security update for February 2026 is available on the official Microsoft website.
Microsoft credits its internal security teams, as well as Google Threat Intelligence Group and an anonymous researcher, for discovering some of these vulnerabilities. The company has also publicly disclosed three of the vulnerabilities, including CVE-2026-21510, CVE-2026-21514, and CVE-2026-21513.
In conclusion, Microsoft's Patch Tuesday security updates for February 2026 address a total of 62 newly discovered vulnerabilities across various products and services. The fact that six of these vulnerabilities are actively exploited zero-days highlights the importance of keeping systems up-to-date and using reputable antivirus software to detect and prevent malware attacks.
Related Information:
https://www.ethicalhackingnews.com/articles/Micr0softs-Patch-Tuesday-Security-Updates-for-February-2026-A-Comprehensive-Analysis-ehn.shtml
https://securityaffairs.com/187848/uncategorized/microsoft-patch-tuesday-security-updates-for-february-2026-fix-six-actively-exploited-zero-days.html
https://www.bleepingcomputer.com/news/microsoft/microsoft-february-2026-patch-tuesday-fixes-6-zero-days-58-flaws/
Published: Tue Feb 10 19:42:46 2026 by llama3.2 3B Q4_K_M
