CVE-2026-50522
Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
9.8
CVSS 3.1
3.0 %
EPSS (current)
2026-07-22
KEV addition
No
Ransomware
Timeline
Publication, first public exploit and KEV addition on a day axis.
Key facts
Vendor / product: Microsoft / SharePoint
Published: 2026-07-14 · Due (CISA): 2026-07-25
CWE: CWE-502 · EU list: no
Exploit references (metadata only)
No public exploit references recorded.