Microsoft Sharepoint Online
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Recent Microsoft Sharepoint Online Security Advisories
| Advisory | Title | Published |
|---|---|---|
| CVE-2025-59245 | CVE-2025-59245 Microsoft SharePoint Online Elevation of Privilege Vulnerability | November 21, 2025 |
By the Year
In 2026 there have been 1 vulnerability in Microsoft Sharepoint Online with an average score of 9.6 out of ten. Last year, in 2025 Sharepoint Online had 1 security vulnerability published. At the current rates, it appears that the number of vulnerabilities last year and this year may equal out. Last year, the average CVE base score was greater by 0.20
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 1 | 9.60 |
| 2025 | 1 | 9.80 |
It may take a day or so for new Sharepoint Online vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Microsoft Sharepoint Online Security Vulnerabilities
Aug 2026: Microsoft Office SharePoint Spoofing Vulnerability
CVE-2026-70332
9.6 - Critical
- August 06, 2026
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
XSS
Nov 2025: Microsoft SharePoint Online Elevation of Privilege Vulnerability
CVE-2025-59245
9.8 - Critical
- November 20, 2025
Microsoft SharePoint Online Elevation of Privilege Vulnerability
Marshaling, Unmarshaling
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