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microsoft — Vulnerabilities & Security Advisories 8284

Browse all 8284 CVE security advisories affecting microsoft. AI-powered Chinese analysis, POCs, and references for each vulnerability.

Microsoft operates as a global technology corporation primarily providing enterprise software, cloud computing services, and consumer electronics. Its extensive software portfolio, including Windows operating systems and Office suites, has historically been associated with a high volume of Common Vulnerabilities and Exposures (CVEs), currently totaling 8,272. Common vulnerability classes affecting these products include remote code execution, cross-site scripting, and privilege escalation, often stemming from complex legacy codebases and extensive feature sets. Notable security incidents include the 2021 SolarWinds supply chain compromise, which impacted Microsoft’s Orion platform, and various critical zero-day exploits in Internet Explorer and Edge browsers. The company maintains a dedicated security response team and regularly issues patches through Windows Update to mitigate these risks, though the sheer scale of its ecosystem continues to present significant attack surfaces for threat actors seeking unauthorized access or data exfiltration.

CVE IDTitleCVSSSeverityPublished
CVE-2026-21264 Microsoft Account Spoofing Vulnerability — Microsoft AccountCWE-79 9.3 Critical2026-01-22
CVE-2026-21227 Azure Logic Apps Elevation of Privilege Vulnerability — Azure Logic AppsCWE-22 8.2 High2026-01-22
CVE-2026-21521 Word Copilot Information Disclosure Vulnerability — Microsoft 365 Word CopilotCWE-150 7.4 High2026-01-22
CVE-2026-24307 M365 Copilot Information Disclosure Vulnerability — Microsoft 365 CopilotCWE-1287 9.3 Critical2026-01-22
CVE-2026-24305 Azure Entra ID Elevation of Privilege Vulnerability — Microsoft EntraCWE-285 9.3 Critical2026-01-22
CVE-2026-21524 Azure Data Explorer Information Disclosure Vulnerability — Azure Data ExplorerCWE-200 7.4 High2026-01-22
CVE-2026-24306 Azure Front Door Elevation of Privilege Vulnerability — Azure Front DoorCWE-284 9.8 Critical2026-01-22
CVE-2026-21520 Copilot Studio Information Disclosure Vulnerability — Microsoft Copilot StudioCWE-77 7.5 High2026-01-22
CVE-2026-21223 Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability — Microsoft Edge (Chromium-based)CWE-269 7.1 High2026-01-16
CVE-2026-20960 PowerApps Desktop Client Remote Code Execution Vulnerability — Microsoft Power Apps Desktop ClientCWE-285 8.0 High2026-01-16
CVE-2026-21226 Azure Core shared client library for Python Remote Code Execution Vulnerability — Azure Core shared client library for PythonCWE-502 7.5 High2026-01-13
CVE-2026-20941 Host Process for Windows Tasks Elevation of Privilege Vulnerability — Windows 11 Version 24H2CWE-59 7.8 High2026-01-13
CVE-2026-20958 Microsoft SharePoint Information Disclosure Vulnerability — Microsoft SharePoint Enterprise Server 2016CWE-918 5.4 Medium2026-01-13
CVE-2026-20957 Microsoft Excel Remote Code Execution Vulnerability — Microsoft 365 Apps for EnterpriseCWE-191 7.8 High2026-01-13
CVE-2026-20950 Microsoft Excel Remote Code Execution Vulnerability — Microsoft 365 Apps for EnterpriseCWE-416 7.8 High2026-01-13
CVE-2026-20952 Microsoft Office Remote Code Execution Vulnerability — Microsoft 365 Apps for EnterpriseCWE-416 8.4 High2026-01-13
CVE-2026-20948 Microsoft Word Remote Code Execution Vulnerability — Microsoft 365 Apps for EnterpriseCWE-822 7.8 High2026-01-13
CVE-2026-20949 Microsoft Excel Security Feature Bypass Vulnerability — Microsoft 365 Apps for EnterpriseCWE-284 7.8 High2026-01-13
CVE-2026-20939 Windows File Explorer Information Disclosure Vulnerability — Windows 10 Version 1607CWE-200 5.5 Medium2026-01-13
CVE-2026-20937 Windows File Explorer Information Disclosure Vulnerability — Windows 10 Version 1607CWE-200 5.5 Medium2026-01-13
CVE-2026-20936 Windows NDIS Information Disclosure Vulnerability — Windows 10 Version 1607CWE-125 4.3 Medium2026-01-13
CVE-2026-20935 Windows Virtualization-Based Security (VBS) Information Disclosure Vulnerability — Windows 11 version 22H3CWE-822 6.2 Medium2026-01-13
CVE-2026-20931 Windows Telephony Service Elevation of Privilege Vulnerability — Windows 10 Version 1607CWE-73 8.0 High2026-01-13
CVE-2026-20929 Windows HTTP.sys Elevation of Privilege Vulnerability — Windows 10 Version 1607CWE-284 7.5 High2026-01-13
CVE-2026-20874 Windows Management Services Elevation of Privilege Vulnerability — Windows 10 Version 1809CWE-362 7.8 High2026-01-13
CVE-2026-20872 NTLM Hash Disclosure Spoofing Vulnerability — Windows 10 Version 1607CWE-73 6.5 Medium2026-01-13
CVE-2026-20873 Windows Management Services Elevation of Privilege Vulnerability — Windows 10 Version 1809CWE-362 7.8 High2026-01-13
CVE-2026-20870 Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability — Windows 11 Version 24H2CWE-416 7.8 High2026-01-13
CVE-2026-20871 Desktop Window Manager Elevation of Privilege Vulnerability — Windows 10 Version 21H2CWE-416 7.8 High2026-01-13
CVE-2026-20868 Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability — Windows 10 Version 1607CWE-122 8.8 High2026-01-13

This page lists every published CVE security advisory associated with microsoft. Each entry links to a detailed page with CVSS scoring, CWE classification, affected products and references. AI-generated Chinese analysis is provided for fast triage.