CVE-2026-45659 – TheCyberThrone

CISA Adds CVE-2026-45659 SharePoint Vulnerability to KEV

The U.S. Cybersecurity and Infrastructure Security Agency (Cybersecurity and Infrastructure Security Agency) has added a critical Microsoft SharePoint vulnerability to its Known Exploited Vulnerabilities (KEV) catalog — a strong signal…

PravinKarthik July 2, 2026

CVE-2026-45659 — Microsoft SharePoint RCE

OverviewDeserialization of untrusted data in Microsoft Office SharePoint allows an authenticated attacker to execute code remotely over a network. Any authenticated attacker with a minimum of Site Member permissions (PR:L)…

PravinKarthik May 26, 2026