Windows Vulnerability

Microsoft’s December Security Update of High-Risk Vulnerability Notice for Multiple Products

December 11, 2025

Overview On December 10, NSFOCUS CERT detected that Microsoft released the December Security Update patch, which fixed 57 security issues involving widely used products such as Windows, Microsoft Office, Microsoft Exchange Server, Azure, etc., including high-risk vulnerability types such as privilege escalation and remote code execution. Among the vulnerabilities fixed by Microsoft’s monthly update this […]

Microsoft’s November Security Update of High-Risk Vulnerability Notice for Multiple Products

November 14, 2025

Overview On November 12, NSFOCUS CERT detected that Microsoft released the November Security Update patch, which fixed 63 security issues involving widely used products such as Windows, Microsoft Office, Microsoft SQL Server, Azure, and Microsoft Visual Studio, including privilege escalation, high-risk vulnerability types such as remote code execution. Among the vulnerabilities fixed by Microsoft’s monthly […]

Windows Server Update Service (WSUS) Remote Code Execution Vulnerability (CVE-2025-59287) Notice

October 22, 2025

Overview Recently, NSFOCUS CERT detected that Microsoft released a security update that fixed the Windows Server Update Service (WSUS) remote code execution vulnerability (CVE-2025-59287); Because WSUS’s GetCookie does not perform type verification when processing objects, an unauthenticated attacker can achieve remote code execution by deserializing malicious data to control the target server. The CVSS score […]

Microsoft’s September Security Update High-Risk Vulnerability Notice for Multiple Products

September 11, 2025

Overview On September 10, NSFOCUS CERT detected that Microsoft released the September Security Update patch, fixing 86 security issues involving widely used products such as Windows, Microsoft Office, Azure, and Microsoft SQL Server, including high-risk vulnerability types such as privilege escalation and remote code execution. Among the vulnerabilities fixed by Microsoft’s monthly update this month, […]

Windows File Explorer Spoofing Vulnerability (CVE-2025-24071)

March 19, 2025

Overview Recently, NSFOCUS CERT detected that Microsoft released a security announcement and fixed the spoofing vulnerability of Windows File Explorer (CVE-2025-24071), with a CVSS score of 7.5. Due to the implicit trust and automatic file parsing behavior of .library-ms files by Windows Explorer, unauthenticated attackers can save files by constructing RAR/ZIP with an embedded malicious […]

Microsoft Security Update Notification in February of High-Risk Vulnerabilities in Multiple Products

February 14, 2025

Overview On February 12, NSFOCUS CERT detected that Microsoft released a security update patch for February, which fixed 63 security issues involving widely used products such as Windows, Microsoft Office, Azure, Apps, and Microsoft Visual Studio, including high-risk vulnerabilities such as privilege escalation and remote code execution. Among the vulnerabilities fixed in Microsoft’s monthly update […]

Microsoft’s December Security Update of High-Risk Vulnerabilities in Multiple Products

December 14, 2024

Overview On December 11th, NSFOCUS CERT monitored that Microsoft released the December security update patch, fixing 72 security issues involving widely-used products such as Windows, Windows LDAP, Microsoft Office, Windows Remote Desktop Services, and Microsoft SharePoint. These include high-risk vulnerability types such as privilege escalation and remote code execution. Among the vulnerabilities fixed in this […]

Microsoft’s August Security Update on High-Risk Vulnerabilities in Multiple Products

August 15, 2024

Overview On August 14, NSFOCUS CERT detected that Microsoft released a security update patch for August, which fixed 90 security issues involving widely used products such as Windows, Microsoft Office, Visual Studio and Azure, including high-risk vulnerabilities such as privilege escalation and remote code execution. Among the vulnerabilities fixed in Microsoft’s monthly update this month, […]

Windows Privilege Escalation Vulnerability (CVE-2021-36934) Threat Alert

August 24, 2021

Overview Recently, NSFOCUS CERT discovered a critical security bulletin released by Microsoft to disclose a privilege escalation vulnerability (CVE-2021-36934) in Windows. A privilege escalation vulnerability exists because of overly permissive Access Control Lists (ACLs) on multiple system files (including the Security Account Manager (SAM) database). When a built-in administrator account is enabled in the system, […]

Microsoft’s July 2021 Security Updates Fix Multiple Products’ High-Risk Vulnerabilities

July 28, 2021

Overview According to NSFOCUS CERT’s monitoring, Microsoft released July 2021 Security Updates on July 14 to fix 117 vulnerabilities, including high-risk remote code execution and privilege escalation, in widely used products like Windows, Microsoft Office, Microsoft Edge, Visual Studio, and SharePoint Server. In the vulnerabilities fixed by this month’s security updates, there are 13 critical […]

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