CVE-2026-47641: Microsoft SharePoint Server Spoofing Vulnerability
Improper input validation in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
Other sources
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.
— Microsoft
Microsoft SharePoint Server Spoofing Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.19725.20384Patch KB5002873 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.10417.20153Patch KB5002874 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.5556.1005Patch KB5002880
Event History
Frequently Asked Questions
What is the severity of CVE-2026-47641?
CVE-2026-47641 has a medium severity rating of 5.4.
How do I fix CVE-2026-47641?
To fix CVE-2026-47641, apply the latest security updates provided by Microsoft for the affected SharePoint Server versions.
What impacts does CVE-2026-47641 pose?
CVE-2026-47641 allows an authorized attacker to perform spoofing attacks, potentially compromising the integrity of SharePoint content.
Which software is affected by CVE-2026-47641?
CVE-2026-47641 affects various versions of Microsoft SharePoint Server including SharePoint Server Subscription Edition, SharePoint Server 2019, and SharePoint Enterprise Server 2016.
How is CVE-2026-47641 exploited?
CVE-2026-47641 can be exploited through improper input neutralization during web page generation, particularly through cross-site scripting techniques.