Microsoft Microsoft 365 vulnerabilities
368 published vulnerabilities in Microsoft Microsoft 365. The most were published in 2026 (368), and 368 so far in 2026.
Microsoft Microsoft 365 vulnerabilities by year
2026
Most exploited Microsoft Microsoft 365 vulnerabilities
- CVE-2026-70291 Microsoft Office Outlook Remote Code Execution Vulnerability
- CVE-2026-88156 Microsoft Office Outlook Remote Code Execution Vulnerability
- CVE-2026-88178 Microsoft Office PowerPoint Remote Code Execution Vulnerability
- CVE-2026-78509 Microsoft Office Outlook Remote Code Execution Vulnerability
- CVE-2026-108430 Microsoft Office Word Remote Code Execution Vulnerability
- CVE-2026-108431 Microsoft Office Word Remote Code Execution Vulnerability
- CVE-2026-108432 Microsoft Office Word Remote Code Execution Vulnerability
- CVE-2026-108439 Microsoft Office Word Remote Code Execution Vulnerability
- CVE-2026-108440 Microsoft Office Word Remote Code Execution Vulnerability
- CVE-2026-108441 Microsoft Office Word Remote Code Execution Vulnerability
- CVE-2026-108442 Microsoft Office Word Remote Code Execution Vulnerability
- CVE-2026-108443 Microsoft Office Word Remote Code Execution Vulnerability
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