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Microsoft — Vulnerabilities & Security Advisories 9327

Browse all 9327 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-2026-55145 Outlook Copilot Tampering Vulnerability — Microsoft CopilotCWE-77 6.3 Medium2026-07-14
CVE-2026-50468 Microsoft SQL Server Information Disclosure Vulnerability — Microsoft SQL Server 2025 (CU 6)CWE-126 6.5 Medium2026-07-14
CVE-2026-55135 Microsoft SharePoint Server Spoofing Vulnerability — Microsoft SharePoint Enterprise Server 2016CWE-79 4.6 Medium2026-07-14
CVE-2026-55052 Microsoft SharePoint Elevation of Privilege Vulnerability — Microsoft SharePoint Enterprise Server 2016CWE-862 8.8 High2026-07-14
CVE-2026-55120 Microsoft PowerPoint Remote Code Execution Vulnerability — Microsoft 365 Apps for EnterpriseCWE-122 7.8 High2026-07-14
CVE-2026-55123 Microsoft PowerPoint Remote Code Execution Vulnerability — Microsoft 365 Apps for EnterpriseCWE-122 7.8 High2026-07-14
CVE-2026-55133 Microsoft OneNote Remote Code Execution Vulnerability — Microsoft 365 Apps for EnterpriseCWE-122 7.8 High2026-07-14
CVE-2026-55043 Microsoft PowerPoint Remote Code Execution Vulnerability — Microsoft 365 Apps for EnterpriseCWE-122 7.8 High2026-07-14
CVE-2026-55042 Microsoft Office Information Disclosure Vulnerability — Microsoft 365 Apps for EnterpriseCWE-908 5.5 Medium2026-07-14
CVE-2026-55139 Microsoft Office Information Disclosure Vulnerability — Microsoft 365 Apps for EnterpriseCWE-125 5.5 Medium2026-07-14
CVE-2026-55130 Microsoft Word Remote Code Execution Vulnerability — Microsoft 365 Apps for EnterpriseCWE-122 7.8 High2026-07-14
CVE-2026-55128 Microsoft Word Remote Code Execution Vulnerability — Microsoft 365 Apps for EnterpriseCWE-416 7.8 High2026-07-14
CVE-2026-55140 Microsoft Office Remote Code Execution Vulnerability — Microsoft 365 Apps for EnterpriseCWE-122 7.8 High2026-07-14
CVE-2026-55040 Microsoft SharePoint Server Security Feature Bypass Vulnerability — Microsoft SharePoint Enterprise Server 2016CWE-1390 9.1 Critical2026-07-14
CVE-2026-55142 Microsoft Word Information Disclosure Vulnerability — Microsoft 365 Apps for EnterpriseCWE-197 5.5 Medium2026-07-14
CVE-2026-55056 Microsoft Office Remote Code Execution Vulnerability — Microsoft 365 Apps for EnterpriseCWE-122 7.8 High2026-07-14
CVE-2026-55134 Microsoft Word Remote Code Execution Vulnerability — Microsoft 365 Apps for EnterpriseCWE-121 7.8 High2026-07-14
CVE-2026-55051 Microsoft SharePoint Server Information Disclosure Vulnerability — Microsoft SharePoint Enterprise Server 2016CWE-918 6.5 Medium2026-07-14
CVE-2026-55131 Microsoft Excel Remote Code Execution Vulnerability — Microsoft 365 Apps for EnterpriseCWE-122 7.8 High2026-07-14
CVE-2026-55126 Microsoft SharePoint Server Spoofing Vulnerability — Microsoft SharePoint Enterprise Server 2016CWE-79 7.3 High2026-07-14
CVE-2026-55122 Microsoft Excel Information Disclosure Vulnerability — Microsoft 365 Apps for EnterpriseCWE-125 7.1 High2026-07-14
CVE-2026-55057 Microsoft Office Information Disclosure Vulnerability — Microsoft 365 Apps for EnterpriseCWE-190 5.5 Medium2026-07-14
CVE-2026-55137 Microsoft Excel Remote Code Execution Vulnerability — Microsoft 365 Apps for EnterpriseCWE-122 7.8 High2026-07-14
CVE-2026-55053 Microsoft Excel Remote Code Execution Vulnerability — Microsoft 365 Apps for EnterpriseCWE-122 7.8 High2026-07-14
CVE-2026-55038 Microsoft Word Remote Code Execution Vulnerability — Microsoft 365 Apps for EnterpriseCWE-121 7.8 High2026-07-14
CVE-2026-55132 Microsoft Word Remote Code Execution Vulnerability — Microsoft 365 Apps for EnterpriseCWE-415 7.8 High2026-07-14
CVE-2026-55058 Microsoft Excel Remote Code Execution Vulnerability — Microsoft 365 Apps for EnterpriseCWE-125 7.8 High2026-07-14
CVE-2026-55037 Microsoft Excel Remote Code Execution Vulnerability — Microsoft 365 Apps for EnterpriseCWE-122 7.8 High2026-07-14
CVE-2026-55054 Microsoft Excel Information Disclosure Vulnerability — Microsoft 365 Apps for EnterpriseCWE-125 6.5 Medium2026-07-14
CVE-2026-55055 Microsoft Word Remote Code Execution Vulnerability — Microsoft 365 Apps for EnterpriseCWE-121 7.8 High2026-07-14

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.