CVE-2026-57105

HIGH CVSS 3.1: 5.4 EPSS 0.58%
Updated Aug 12, 2026
Microsoft
Parameter Value
CVSS 5.4 (HIGH)
Affected Versions before 16.0.19725.20522
Fixed In 16.0.19725.20522
Type CWE-79 (Cross-Site Scripting (XSS))
Vendor Microsoft
Public PoC No

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v3.1

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Microsoft Sharepoint_Server
cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*
16.0.19725.20522
Microsoft Sharepoint_Server
cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*