Vulnerabilities (CVE)

Filtered by vendor Microsoft Subscribe
Filtered by product Office Online Server
Total 145 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2025-21394 1 Microsoft 5 365 Apps, Excel, Office and 2 more 2025-07-01 N/A 7.8 HIGH
Microsoft Excel Remote Code Execution Vulnerability
CVE-2019-1035 1 Microsoft 4 Office, Office 365 Proplus, Office Online Server and 1 more 2025-05-20 9.3 HIGH 7.8 HIGH
A remote code execution vulnerability exists in Microsoft Word software when it fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could use a specially crafted file to perform actions in the security context of the current user. For example, the file could then take actions on behalf of the logged-on user with the same permissions as the current user. To exploit the vulnerability, a user must open a specially crafted file with an affected version of Microsoft Word software. In an email attack scenario, an attacker could exploit the vulnerability by sending the specially crafted file to the user and convincing the user to open the file. In a web-based attack scenario, an attacker could host a website (or leverage a compromised website that accepts or hosts user-provided content) that contains a specially crafted file that is designed to exploit the vulnerability. However, an attacker would have no way to force the user to visit the website. Instead, an attacker would have to convince the user to click a link, typically by way of an enticement in an email or Instant Messenger message, and then convince the user to open the specially crafted file. The security update addresses the vulnerability by correcting how Microsoft Word handles files in memory.
CVE-2019-1034 1 Microsoft 7 Office, Office 365 Proplus, Office Online Server and 4 more 2025-05-20 9.3 HIGH 7.8 HIGH
A remote code execution vulnerability exists in Microsoft Word software when it fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could use a specially crafted file to perform actions in the security context of the current user. For example, the file could then take actions on behalf of the logged-on user with the same permissions as the current user. To exploit the vulnerability, a user must open a specially crafted file with an affected version of Microsoft Word software. In an email attack scenario, an attacker could exploit the vulnerability by sending the specially crafted file to the user and convincing the user to open the file. In a web-based attack scenario, an attacker could host a website (or leverage a compromised website that accepts or hosts user-provided content) that contains a specially crafted file that is designed to exploit the vulnerability. However, an attacker would have no way to force the user to visit the website. Instead, an attacker would have to convince the user to click a link, typically by way of an enticement in an email or Instant Messenger message, and then convince the user to open the specially crafted file. The security update addresses the vulnerability by correcting how Microsoft Word handles files in memory.
CVE-2025-30383 1 Microsoft 5 365 Apps, Excel, Office and 2 more 2025-05-19 N/A N/A
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2025-29977 1 Microsoft 5 365 Apps, Excel, Office and 2 more 2025-05-19 N/A N/A
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2025-29979 1 Microsoft 5 365 Apps, Excel, Office and 2 more 2025-05-19 N/A N/A
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2025-30381 1 Microsoft 5 365 Apps, Excel, Office and 2 more 2025-05-19 N/A N/A
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2025-30377 1 Microsoft 5 365 Apps, Excel, Office and 2 more 2025-05-19 N/A 7.8 HIGH
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2025-30379 1 Microsoft 5 365 Apps, Excel, Office and 2 more 2025-05-19 N/A N/A
Release of invalid pointer or reference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2025-30376 1 Microsoft 5 365 Apps, Excel, Office and 2 more 2025-05-19 N/A N/A
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2025-30375 1 Microsoft 5 365 Apps, Excel, Office and 2 more 2025-05-19 N/A N/A
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2017-11826 1 Microsoft 7 Office Compatibility Pack, Office Online Server, Office Web Apps Server and 4 more 2025-04-07 9.3 HIGH 7.8 HIGH
Microsoft Office 2010, SharePoint Enterprise Server 2010, SharePoint Server 2010, Web Applications, Office Web Apps Server 2010 and 2013, Word Viewer, Word 2007, 2010, 2013 and 2016, Word Automation Services, and Office Online Server allow remote code execution when the software fails to properly handle objects in memory.
CVE-2021-40485 1 Microsoft 6 365 Apps, Excel, Office and 3 more 2025-02-28 6.8 MEDIUM N/A
Microsoft Excel Remote Code Execution Vulnerability
CVE-2022-41061 1 Microsoft 7 365 Apps, Office, Office Online Server and 4 more 2025-02-28 N/A N/A
Microsoft Word Remote Code Execution Vulnerability
CVE-2025-21354 1 Microsoft 3 365 Apps, Office, Office Online Server 2025-01-21 N/A 7.8 HIGH
Microsoft Excel Remote Code Execution Vulnerability
CVE-2024-30042 1 Microsoft 5 365 Apps, Excel, Office and 2 more 2025-01-08 N/A N/A
Microsoft Excel Remote Code Execution Vulnerability
CVE-2022-30159 1 Microsoft 3 Office Online Server, Office Web Apps Server, Sharepoint Server 2025-01-02 4.3 MEDIUM N/A
Microsoft Office Information Disclosure Vulnerability
CVE-2022-29109 1 Microsoft 3 365 Apps, Office, Office Online Server 2025-01-02 6.8 MEDIUM N/A
Microsoft Excel Remote Code Execution Vulnerability
CVE-2022-30171 1 Microsoft 3 Office Online Server, Office Web Apps Server, Sharepoint Server 2025-01-02 4.3 MEDIUM N/A
Microsoft Office Information Disclosure Vulnerability
CVE-2022-30172 1 Microsoft 3 Office Online Server, Office Web Apps Server, Sharepoint Server 2025-01-02 4.3 MEDIUM N/A
Microsoft Office Information Disclosure Vulnerability