CVE-2026-45462: Microsoft SharePoint Server 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 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 16.0.5556.1005Patch KB5002880 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.10417.20153Patch KB5002874
Event History
Frequently Asked Questions
What is the severity of CVE-2026-45462?
The severity of CVE-2026-45462 is rated as medium with a score of 5.4.
How can I fix CVE-2026-45462?
To fix CVE-2026-45462, update Microsoft SharePoint Server to the latest version provided by Microsoft.
What software is affected by CVE-2026-45462?
CVE-2026-45462 affects Microsoft SharePoint Server, Microsoft SharePoint Server Subscription Edition, Microsoft SharePoint Server 2019, and Microsoft SharePoint Enterprise Server 2016.
What type of vulnerability is CVE-2026-45462?
CVE-2026-45462 is a type of spoofing vulnerability caused by improper neutralization of input during web page generation.
What are the potential impacts of CVE-2026-45462?
The potential impact of CVE-2026-45462 includes the ability for an authorized attacker to spoof content over a network.