Vulnerabilities (CVE)

Filtered by vendor Microsoft Subscribe
Filtered by product Office Online Server
Total 188 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2026-40362 1 Microsoft 5 365 Apps, Excel, Office and 2 more 2026-06-01 N/A 7.8 HIGH
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2025-49697 1 Microsoft 5 365 Apps, 365 Copilot, Office and 2 more 2026-05-22 N/A 8.4 HIGH
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2022-29109 1 Microsoft 4 365 Apps, Office, Office Long Term Servicing Channel and 1 more 2026-05-19 6.8 MEDIUM 7.8 HIGH
Microsoft Excel Remote Code Execution Vulnerability
CVE-2022-41061 1 Microsoft 8 365 Apps, Office, Office Long Term Servicing Channel and 5 more 2026-05-19 N/A 7.8 HIGH
Microsoft Word Remote Code Execution Vulnerability
CVE-2022-41063 1 Microsoft 6 365 Apps, Excel, Office and 3 more 2026-05-19 N/A 7.8 HIGH
Microsoft Excel Remote Code Execution Vulnerability
CVE-2022-26901 1 Microsoft 7 365 Apps, Excel, Excel Rt and 4 more 2026-05-19 6.8 MEDIUM 7.8 HIGH
Microsoft Excel Remote Code Execution Vulnerability
CVE-2022-41106 1 Microsoft 6 365 Apps, Excel, Office and 3 more 2026-05-19 N/A 8.8 HIGH
Microsoft Excel Remote Code Execution Vulnerability
CVE-2023-33162 1 Microsoft 4 365 Apps, Office, Office Long Term Servicing Channel and 1 more 2026-05-19 N/A 5.5 MEDIUM
Microsoft Excel Information Disclosure Vulnerability
CVE-2022-21840 1 Microsoft 7 Excel, Office, Office Long Term Servicing Channel and 4 more 2026-05-19 6.8 MEDIUM 8.8 HIGH
Microsoft Office Remote Code Execution Vulnerability
CVE-2022-41103 1 Microsoft 8 365 Apps, Office, Office Long Term Servicing Channel and 5 more 2026-05-19 N/A 5.5 MEDIUM
Microsoft Word Information Disclosure Vulnerability
CVE-2021-43256 1 Microsoft 7 365 Apps, Excel, Excel Rt and 4 more 2026-05-19 6.8 MEDIUM 7.8 HIGH
Microsoft Excel Remote Code Execution Vulnerability
CVE-2022-41060 1 Microsoft 8 365 Apps, Office, Office Long Term Servicing Channel and 5 more 2026-05-19 N/A 5.5 MEDIUM
Microsoft Word Information Disclosure Vulnerability
CVE-2026-40359 1 Microsoft 5 365 Apps, Excel, Office and 2 more 2026-05-19 N/A 7.8 HIGH
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-40360 1 Microsoft 5 365 Apps, Excel, Office and 2 more 2026-05-19 N/A 7.8 HIGH
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2017-8631 1 Microsoft 6 Excel, Excel Viewer, Excel Web App and 3 more 2026-05-13 9.3 HIGH 7.8 HIGH
A remote code execution vulnerability exists in Excel Services, Microsoft Excel 2007 Service Pack 3, Microsoft Excel 2010 Service Pack 2, Microsoft Excel 2013 Service Pack 1, Microsoft Excel 2013 RT Service Pack 1, Microsoft Excel 2016, Microsoft Office Web Apps 2013, Microsoft Office Compatibility Pack Service Pack 3, Microsoft Excel Web App 2013 Service Pack 1, Microsoft Excel Viewer 2007 Service Pack 3, and Office Online Server when they fail to properly handle objects in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8630, CVE-2017-8632, and CVE-2017-8744.
CVE-2017-8512 1 Microsoft 7 Office, Office Online Server, Office Web Apps and 4 more 2026-05-13 9.3 HIGH 8.8 HIGH
A remote code execution vulnerability exists in Microsoft Office when the software fails to properly handle objects in memory, aka "Office Remote Code Execution Vulnerability". This CVE ID is unique from CVE-2017-8509, CVE-2017-8510, CVE-2017-8511, CVE-2017-0260, and CVE-2017-8506.
CVE-2017-8743 1 Microsoft 3 Office Online Server, Powerpoint, Sharepoint Server 2026-05-13 9.3 HIGH 7.8 HIGH
A remote code execution vulnerability exists in Microsoft PowerPoint 2016, Microsoft SharePoint Enterprise Server 2016, and Office Online Server when they fail to properly handle objects in memory, aka "PowerPoint Remote Code Execution Vulnerability". This CVE ID is unique from CVE-2017-8742.
CVE-2017-0195 1 Microsoft 5 Excel Web App, Office Online Server, Office Web Apps and 2 more 2026-05-13 3.5 LOW 5.4 MEDIUM
Microsoft Excel Services on Microsoft SharePoint Server 2010 SP1 and SP2, Microsoft Excel Web Apps 2010 SP2, Microsoft Office Web Apps 2010 SP2, Microsoft Office Web Apps Server 2013 SP1 and Office Online Server allows remote attackers to perform cross-site scripting and run script with local user privileges via a crafted request, aka "Microsoft Office XSS Elevation of Privilege Vulnerability."
CVE-2017-8501 1 Microsoft 6 Excel, Excel Viewer, Office and 3 more 2026-05-13 9.3 HIGH 7.8 HIGH
Microsoft Office allows a remote code execution vulnerability due to the way that it handles objects in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8502.
CVE-2017-0281 1 Microsoft 8 Office, Office Online Server, Office Web Apps and 5 more 2026-05-13 9.3 HIGH 7.8 HIGH
Microsoft Office 2007 SP3, Office 2010 SP2, Office 2013 SP1, Office 2016, Office Online Server 2016, Office Web Apps 2010 SP2,Office Web Apps 2013 SP1, Project Server 2013 SP1, SharePoint Enterprise Server 2013 SP1, SharePoint Enterprise Server 2016, SharePoint Foundation 2013 SP1, Sharepoint Server 2010 SP2, Word 2016, and Skype for Business 2016 allow a remote code execution vulnerability when the software fails to properly handle objects in memory, aka "Office Remote Code Execution Vulnerability". This CVE ID is unique from CVE-2017-0261 and CVE-2017-0262.