CVE-2026-45659: Microsoft SharePoint Server Deserialization of Untrusted
Microsoft SharePoint Server Deserialization of Untrusted Data Vulnerability. Microsoft SharePoint Server contains a deserialization of untrusted data vulnerability which allows an authorized attacker to execute code over a network.
- CISA KEV-listed (remediation due 2026-07-04)
- EPSS 2.8% (84.6% percentile)