Microsoft — SharePoint Server — Microsoft SharePoint Server contains an improper input validation vulnerability that allows an unauthorized attacker to perform spoofing over a network.
Details
EPSS Score
ⓘ
22.77%
97.5th percentile
Confidence
100%
CISA KEV
Date Added
Apr 14, 2026
Patch Due
Apr 28, 2026
Required Action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.