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Microsoft 365 Apps for Enterprise — Vulnerabilities & Security Advisories 475

All 475 CVE vulnerabilities found in Microsoft 365 Apps for Enterprise, with AI-generated Chinese analysis, references, and POCs.

This page catalogs Common Vulnerabilities and Exposures (CVEs) affecting Microsoft 365 Apps for Enterprise, a widely used cloud-based productivity suite. It aggregates security advisories and vulnerability records ranging from initial disclosure dates through to current status, providing a comprehensive historical view of security incidents. Here, you can track Microsoft’s specific advisory responses for this product family, understand the technical details of common weakness classes such as buffer overflows or cross-site scripting, and examine the chronological history of vulnerabilities that have impacted enterprise environments. The data includes details on affected versions, severity ratings, and availability of patches or workarounds. This resource is designed to assist security professionals, IT administrators, and compliance officers in assessing risk exposure, planning remediation efforts, and maintaining system integrity. By consolidating these records, the page facilitates efficient monitoring of the product’s security posture over time. Users can identify trends in vulnerability emergence, evaluate the effectiveness of Microsoft’s patch management, and ensure that their deployment configurations align with current best practices for mitigating known threats. The information is sourced from official Microsoft security bulletins and verified third-party databases to ensure accuracy and relevance for enterprise-level decision-making.

Vendor: Microsoft

CVE IDTitleCVSSSeverityPublished
CVE-2026-44824 Microsoft Office Remote Code Execution Vulnerability CWE-122 7.8 High2026-06-09
CVE-2026-44823 Microsoft Excel Remote Code Execution Vulnerability CWE-197 7.8 High2026-06-09
CVE-2026-44821 Microsoft Office Information Disclosure Vulnerability CWE-125 5.5 Medium2026-06-09
CVE-2026-44820 Microsoft Excel Remote Code Execution Vulnerability CWE-125 7.8 High2026-06-09
CVE-2026-44819 Microsoft Office Remote Code Execution Vulnerability CWE-122 7.8 High2026-06-09
CVE-2026-44818 Microsoft Excel Remote Code Execution Vulnerability CWE-362 7.0 High2026-06-09
CVE-2026-44817 Microsoft Excel Remote Code Execution Vulnerability CWE-843 7.8 High2026-06-09
CVE-2026-45485 Microsoft Office Information Disclosure Vulnerability CWE-125 3.3 Low2026-06-09
CVE-2026-45486 Microsoft Word Remote Code Execution Vulnerability CWE-416 7.8 High2026-06-09
CVE-2026-45471 Microsoft Word Remote Code Execution Vulnerability CWE-822 7.8 High2026-06-09
CVE-2026-45474 Microsoft Office Remote Code Execution Vulnerability CWE-416 8.4 High2026-06-09
CVE-2026-45472 Microsoft Office Remote Code Execution Vulnerability CWE-416 8.4 High2026-06-09
CVE-2026-45475 Microsoft Office Remote Code Execution Vulnerability CWE-122 7.8 High2026-06-09
CVE-2026-45469 Microsoft Excel Remote Code Execution Vulnerability CWE-191 7.8 High2026-06-09
CVE-2026-40420 Microsoft Office Click-To-Run Elevation of Privilege Vulnerability CWE-284 8.8 High2026-05-12
CVE-2026-35436 Microsoft Office Click-To-Run Elevation of Privilege Vulnerability CWE-1220 8.8 High2026-05-12
CVE-2026-40418 Microsoft Office Click-To-Run Elevation of Privilege Vulnerability CWE-416 7.8 High2026-05-12
CVE-2026-40367 Microsoft Word Remote Code Execution Vulnerability CWE-822 8.4 High2026-05-12
CVE-2026-40362 Microsoft Excel Remote Code Execution Vulnerability CWE-122 7.8 High2026-05-12
CVE-2026-40361 Microsoft Outlook and Word Remote Code Execution Vulnerability CWE-416 8.4 High2026-05-12
CVE-2026-40359 Microsoft Excel Remote Code Execution Vulnerability CWE-416 7.8 High2026-05-12
CVE-2026-40358 Microsoft Office Remote Code Execution Vulnerability CWE-416 8.4 High2026-05-12
CVE-2026-40421 Microsoft Word Information Disclosure Vulnerability CWE-73 4.3 Medium2026-05-12
CVE-2026-40419 Microsoft Office Click-To-Run Elevation of Privilege Vulnerability CWE-416 7.8 High2026-05-12
CVE-2026-40366 Microsoft Word Remote Code Execution Vulnerability CWE-416 8.4 High2026-05-12
CVE-2026-40364 Microsoft Word Remote Code Execution Vulnerability CWE-843 8.4 High2026-05-12
CVE-2026-40363 Microsoft Office Remote Code Execution Vulnerability CWE-122 8.4 High2026-05-12
CVE-2026-40360 Microsoft Excel Information Disclosure Vulnerability CWE-125 7.8 High2026-05-12
CVE-2026-35440 Microsoft Word Information Disclosure Vulnerability CWE-552 5.5 Medium2026-05-12
CVE-2026-21530 Windows Rich Text Edit Elevation of Privilege Vulnerability CWE-415 6.7 Medium2026-05-12

All 475 known CVE vulnerabilities affecting Microsoft 365 Apps for Enterprise with full Chinese analysis, references, and POCs where available.