CVE-2026-57105: Microsoft Office SharePoint Spoofing Vulnerability
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.
Other sources
Microsoft Office SharePoint Spoofing Vulnerability
— Microsoft
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2026-57105?
The severity of CVE-2026-57105 is classified as high with a rating of 8.
How do I fix CVE-2026-57105?
To fix CVE-2026-57105, apply the available patch for Microsoft SharePoint Server.
What type of vulnerability is CVE-2026-57105?
CVE-2026-57105 is a spoofing vulnerability resulting from improper input neutralization during web page generation.
What software is affected by CVE-2026-57105?
CVE-2026-57105 affects Microsoft SharePoint Server, Microsoft SharePoint Server 2019, and Microsoft SharePoint Server Subscription Edition.
Who can exploit CVE-2026-57105?
CVE-2026-57105 can be exploited by an authorized attacker with the ability to perform cross-site scripting on the affected SharePoint systems.