Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
CVE-2026-63520: Microsoft SharePoint Unauthenticated RCE Chained with CVE-2026-55040 — Detection and Remediation Guide
SharePoint Is Under the Microscope Again — and This Time It's a Two-Bug Chain to Unauthenticated RCE If you run on-premises Microsoft ShareP...
Swiss Government SharePoint Breach: 200 Accounts Compromised — Detection and Hardening Guide for On-Prem SharePoint Defenders
Swiss Federal SharePoint Breach: What Happened and Why It Matters Switzerland's federal IT office has confirmed that attackers exploited sec...
CISA KEV Flash: 8 Critical CVEs Under Active Attack — Fortinet, Check Point & Microsoft Targeted
Active Exploitation Intelligence CISA has added 8 vulnerabilities to the Known Exploited Vulnerabilities (KEV) catalog between July 21 and J...
CISA KEV Alert: Check Point and SharePoint Flaws (CVE-2026-16232, CVE-2026-50522) — Detection & Patching Guide
On July 22, 2026, the Cybersecurity and Infrastructure Security Agency (CISA) added two critical vulnerabilities to its Known Exploited Vuln...
CVE-2026-50522: Microsoft SharePoint RCE Exploited to Steal Machine Keys
Introduction A critical security vulnerability in Microsoft SharePoint, tracked as CVE-2026-50522, is being actively exploited in the wild. ...
CISA KEV Flash: 10 CVEs Added — Microsoft, Fortinet & SonicWall Under Active Attack
CISA KEV Flash: 10 CVEs Added — Microsoft, Fortinet & SonicWall Under Active Attack Security Arsenal is tracking a significant update to the...
CVE-2026-58644: Microsoft SharePoint RCE — CISA KEV & Remediation Guide
CVE-2026-58644: Microsoft SharePoint RCE — CISA KEV & Remediation Guide The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has...
CISA KEV Alert: SonicWall SMA1000 & Microsoft Critical Vulnerabilities Under Active Exploit
Introduction On July 14, 2026, CISA added four new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog based on evidence of...
CVE-2026-55040: Microsoft SharePoint JWT Token Bypass — Detection and Patching Guide
CVE-2026-55040: Microsoft SharePoint JWT Token Bypass — Detection and Patching Guide Introduction Security Arsenal is tracking a critical vu...