CVE-2026-47639
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.
CSIRTS triage
- What
- Improper neutralization of input allows an authorized attacker to perform spoofing over a network.
- Who is affected
- Deployments of Microsoft Office SharePoint.
- Urgency
- Remediation is medium urgency due to medium severity and potential for exploitation.
- Action
- Update to the latest version of SharePoint Server.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.51% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 40% of all EPSS-scored CVEs.
Advisory coverage (1)
- mediumCVE-2026-47639: Microsoft SharePoint Server Spoofing Vulnerabilitymsrc · 2026-06-09
External references
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