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Microsoft 365 Apps for Enterprise — Vulnerabilities & Security Advisories 231

All 231 CVE vulnerabilities found in Microsoft 365 Apps for Enterprise, with AI-generated Chinese analysis, references, and POCs.

This page is a vulnerability aggregation resource for Microsoft 365 Apps for Enterprise, focusing on common software weaknesses and security flaws. It compiles a comprehensive list of disclosed security vulnerabilities affecting the Microsoft 365 Apps for Enterprise product line, covering reports from the last five years to ensure historical context and current relevance. By reviewing this collection, security professionals can effectively track vendor advisories issued by Microsoft, understand specific weakness classes such as buffer overflows or authentication bypasses, and look up the product's detailed vulnerability history to assess risk exposure. The data is organized to facilitate quick analysis of past incidents, helping organizations prioritize patching efforts and improve their overall security posture. This aggregation serves as a central reference point for IT administrators and security analysts who need to stay informed about known issues in the Microsoft 365 ecosystem without navigating multiple disparate sources. The information presented here is derived from official public disclosures and trusted security databases, ensuring accuracy and reliability for decision-making processes. Users are encouraged to cross-reference these findings with current system configurations and applied updates to determine the specific impact on their environments. This resource does not provide remediation steps directly but offers the critical identification data necessary for effective threat management and compliance reporting within enterprise IT infrastructures.

Vendor: Microsoft

CVE IDTitleCVSSSeverityPublished
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 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-2026-33115 Microsoft Word Remote Code Execution Vulnerability CWE-416 8.4 High2026-04-14
CVE-2026-33114 Microsoft Word Remote Code Execution Vulnerability CWE-822 8.4 High2026-04-14
CVE-2026-32200 Microsoft PowerPoint Remote Code Execution Vulnerability CWE-416 7.8 High2026-04-14
CVE-2026-32199 Microsoft Excel Remote Code Execution Vulnerability CWE-416 7.8 High2026-04-14
CVE-2026-32198 Microsoft Excel Remote Code Execution Vulnerability CWE-416 7.8 High2026-04-14
CVE-2026-32197 Microsoft Excel Remote Code Execution Vulnerability CWE-416 7.8 High2026-04-14
CVE-2026-32190 Microsoft Office Remote Code Execution Vulnerability CWE-416 8.4 High2026-04-14
CVE-2026-23657 Microsoft Word Remote Code Execution Vulnerability CWE-416 7.8 High2026-04-14
CVE-2026-33822 Microsoft Word Information Disclosure Vulnerability CWE-125 6.1 Medium2026-04-14
CVE-2026-33095 Microsoft Word Remote Code Execution Vulnerability CWE-416 7.8 High2026-04-14
CVE-2026-32189 Microsoft Excel Remote Code Execution Vulnerability CWE-416 7.8 High2026-04-14
CVE-2026-32188 Microsoft Excel Information Disclosure Vulnerability CWE-125 7.1 High2026-04-14
CVE-2026-26144 Microsoft Excel Information Disclosure Vulnerability CWE-79 7.5 High2026-03-10
CVE-2026-26110 Microsoft Office Remote Code Execution Vulnerability CWE-843 8.4 High2026-03-10
CVE-2026-26109 Microsoft Excel Remote Code Execution Vulnerability CWE-125 8.4 High2026-03-10

All 231 known CVE vulnerabilities affecting Microsoft 365 Apps for Enterprise with full Chinese analysis, references, and POCs where available.