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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-2026-26108 Microsoft Excel Remote Code Execution Vulnerability CWE-122 7.8 High2026-03-10
CVE-2026-26107 Microsoft Excel Remote Code Execution Vulnerability CWE-416 7.8 High2026-03-10
CVE-2026-26113 Microsoft Office Remote Code Execution Vulnerability CWE-822 8.4 High2026-03-10
CVE-2026-26112 Microsoft Excel Remote Code Execution Vulnerability CWE-822 7.8 High2026-03-10
CVE-2026-21261 Microsoft Excel Information Disclosure Vulnerability CWE-125 5.5 Medium2026-02-10
CVE-2026-21511 Microsoft Outlook Spoofing Vulnerability CWE-502 7.5 High2026-02-10
CVE-2026-21514 Microsoft Word Security Feature Bypass Vulnerability CWE-807 7.8 High2026-02-10
CVE-2026-21260 Microsoft Outlook Spoofing Vulnerability CWE-200 7.5 High2026-02-10
CVE-2026-21258 Microsoft Excel Information Disclosure Vulnerability CWE-20 5.5 Medium2026-02-10
CVE-2026-21259 Microsoft Excel Elevation of Privilege Vulnerability CWE-122 7.8 High2026-02-10
CVE-2026-21509 Microsoft Office Security Feature Bypass Vulnerability CWE-807 7.8 High2026-01-26
CVE-2026-20957 Microsoft Excel Remote Code Execution Vulnerability CWE-191 7.8 High2026-01-13
CVE-2026-20952 Microsoft Office Remote Code Execution Vulnerability CWE-416 8.4 High2026-01-13
CVE-2026-20950 Microsoft Excel Remote Code Execution Vulnerability CWE-416 7.8 High2026-01-13
CVE-2026-20949 Microsoft Excel Security Feature Bypass Vulnerability CWE-284 7.8 High2026-01-13
CVE-2026-20948 Microsoft Word Remote Code Execution Vulnerability CWE-822 7.8 High2026-01-13
CVE-2026-20956 Microsoft Excel Remote Code Execution Vulnerability CWE-822 7.8 High2026-01-13
CVE-2026-20955 Microsoft Excel Remote Code Execution Vulnerability CWE-822 7.8 High2026-01-13
CVE-2026-20953 Microsoft Office Remote Code Execution Vulnerability CWE-416 8.4 High2026-01-13
CVE-2026-20946 Microsoft Excel Remote Code Execution Vulnerability CWE-125 7.8 High2026-01-13
CVE-2026-20944 Microsoft Word Remote Code Execution Vulnerability CWE-125 8.4 High2026-01-13
CVE-2025-62560 Microsoft Excel Remote Code Execution Vulnerability CWE-822 7.8 High2025-12-09
CVE-2025-62559 Microsoft Word Remote Code Execution Vulnerability CWE-416 7.8 High2025-12-09
CVE-2025-62558 Microsoft Word Remote Code Execution Vulnerability CWE-416 7.8 High2025-12-09
CVE-2025-62556 Microsoft Excel Remote Code Execution Vulnerability CWE-822 7.8 High2025-12-09
CVE-2025-62557 Microsoft Office Remote Code Execution Vulnerability CWE-416 8.4 High2025-12-09
CVE-2025-62554 Microsoft Office Remote Code Execution Vulnerability CWE-843 8.4 High2025-12-09
CVE-2025-62555 Microsoft Word Remote Code Execution Vulnerability CWE-416 7.0 High2025-12-09
CVE-2025-62553 Microsoft Excel Remote Code Execution Vulnerability CWE-416 7.8 High2025-12-09
CVE-2025-62552 Microsoft Access Remote Code Execution Vulnerability CWE-23 7.8 High2025-12-09

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