CVE
CVE-2026-50522
P2MENAMicrosoft SharePoint Deserialization of Untrusted Data Vulnerability
Microsoft · SharePoint
Date added (CISA)
2026-07-22
Remediation due
2026-07-25
Known ransomware use
Not indicated
Remediation priority
P2 — tied to a tracked MENA case · past CISA due date
MENA-relevant: this CVE surfaced in at least one tracked MENA case, not just present in the undifferentiated CISA catalog.