Microsoft Office Online Server vulnerabilities
281 published vulnerabilities in Microsoft Office Online Server, 1 of them exploited in the wild. The most were published in 2026 (111), and 111 so far in 2026.
Microsoft Office Online Server vulnerabilities by year
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
Most exploited Microsoft Office Online Server vulnerabilities
- CVE-2017-11826 Microsoft Office Remote Code Execution
- CVE-2023-21716 Microsoft Word Remote Code Execution Vulnerability
- CVE-2019-1205 Microsoft Word Remote Code Execution Vulnerability
- CVE-2026-108446 Microsoft Office Excel Remote Code Execution Vulnerability
- CVE-2026-100210 Microsoft Office Excel Remote Code Execution Vulnerability
- CVE-2026-100212 Microsoft Office Excel Remote Code Execution Vulnerability
- CVE-2026-105718 Microsoft Excel Remote Code Execution Vulnerability
- CVE-2026-97003 Microsoft Office Excel Remote Code Execution Vulnerability
- CVE-2026-97004 Microsoft Office Excel Remote Code Execution Vulnerability
- CVE-2026-97007 Microsoft Office Excel Remote Code Execution Vulnerability
- CVE-2026-97008 Microsoft Office Excel Remote Code Execution Vulnerability
- CVE-2026-97010 Microsoft Office Excel Remote Code Execution Vulnerability
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