SharePoint deserialization RCE

The Preferred Data team writes for North Carolina small businesses, manufacturers, and defense contractors from our base in High Point, NC. Below is every post on SharePoint deserialization RCE. Need help applying any of this to your own environment? Talk to PDC at (336) 886-3282.

Jul 26, 2026

SharePoint CVE-2026-58644 Post-KEV Deadline: NC SMB Plan

SharePoint on-prem CVE-2026-58644 (CVSS 9.8, exploited) KEV deadline passed July 19. NC SMB catch-up defense playbook. Call (336) 886-3282.

Jul 20, 2026

SharePoint Zero-Day CVE-2026-56164 July 2026: NC SMB Defense

CVE-2026-56164 SharePoint RCE actively exploited. CISA KEV compressed federal deadline July 17. NC SMB emergency patch + compromise-hunt playbook. (336) 886-3282.

Jul 3, 2026

SharePoint CVE-2026-45659 KEV: NC SMB On-Prem SharePoint Defense

CISA added SharePoint RCE CVE-2026-45659 to KEV July 1 2026, FCEB deadline July 4. NC SMB on-prem SharePoint patching & hardening plan. (336) 886-3282.