CVE-2026-26105: Microsoft SharePoint Server Spoofing Vulnerability
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.
Other sources
Microsoft SharePoint Server Spoofing Vulnerability
— Microsoft
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-26105?
CVE-2026-26105 is rated as a high-severity spoofing vulnerability in Microsoft SharePoint.
How do I fix CVE-2026-26105?
You can fix CVE-2026-26105 by applying the updates and patches provided by Microsoft for the affected SharePoint Server products.
Who is affected by CVE-2026-26105?
CVE-2026-26105 affects Microsoft SharePoint Server Subscription Edition, SharePoint Server 2019, and SharePoint Enterprise Server 2016.
What type of vulnerability is CVE-2026-26105?
CVE-2026-26105 is classified as a spoofing vulnerability due to improper neutralization of input in SharePoint.
Can CVE-2026-26105 be exploited remotely?
Yes, CVE-2026-26105 can be exploited remotely by unauthorized attackers to perform spoofing attacks.