CVE-2026-70332

CRITICAL CVSS 3.1: 9.6 EPSS 0.48%
Updated Aug 11, 2026
Microsoft
Parameter Value
CVSS 9.6 (CRITICAL)
Affected Versions from -
Type CWE-79 (Cross-Site Scripting (XSS)), CWE-918 (Server-Side Request Forgery (SSRF))
Vendor Microsoft
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Microsoft Sharepoint_Online
cpe:2.3:a:microsoft:sharepoint_online:*:*:*:*:enterprise:*:*:*
-
Microsoft Sharepoint_Online
cpe:2.3:a:microsoft:sharepoint_online:-:*:*:*:*:*:*:*