ThreatsDay: Adobe RCE, DNS Wallet Theft, NVIDIA Container Escape, Self-Healing Backdoor + 23 More · 3h Silent Lynx Exploits WinRAR Flaw to Deploy Reverse Shell in CIS Government Attacks · 6h NGINX Fixes 5 Flaws, Including Possible RCE and a TLS Bug That May Skip Client-Cert Checks · 9h Next.js Ships Out-of-Band Patch for Two Critical RCE Flaws in Caching and SVG Processing · 9h Drupal Patches Critical Core RCE Flaw with No-Login Path via Contributed Modules · 10h Vulnerability in Sparx Systems Enterprise Architect software · 10h Curl verhelpt 'high' RCE-kwetsbaarheid gevonden door Anthropic · 10h Vulnerabilities in Slican telephone exchanges · 11h Palo Alto Networks waarschuwt voor misbruik van beveiligingslek in firewalls · 14h Cisco meldt actief misbruik van kritiek lek in Secure Email Gateway · 15h ThreatsDay: Adobe RCE, DNS Wallet Theft, NVIDIA Container Escape, Self-Healing Backdoor + 23 More · 3h Silent Lynx Exploits WinRAR Flaw to Deploy Reverse Shell in CIS Government Attacks · 6h NGINX Fixes 5 Flaws, Including Possible RCE and a TLS Bug That May Skip Client-Cert Checks · 9h Next.js Ships Out-of-Band Patch for Two Critical RCE Flaws in Caching and SVG Processing · 9h Drupal Patches Critical Core RCE Flaw with No-Login Path via Contributed Modules · 10h Vulnerability in Sparx Systems Enterprise Architect software · 10h Curl verhelpt 'high' RCE-kwetsbaarheid gevonden door Anthropic · 10h Vulnerabilities in Slican telephone exchanges · 11h Palo Alto Networks waarschuwt voor misbruik van beveiligingslek in firewalls · 14h Cisco meldt actief misbruik van kritiek lek in Secure Email Gateway · 15h

ACyber Sentinel Security Assessment Team

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⚠️ Vulnerability Report

CVE-2026-55040

CRITICAL CVSS 9.1 CVSS 3.1 📌 Analyzed

CVE-2026-55040 - Microsoft SharePoint Weak Authentication Vulnerability - [Actively Exploited]

Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a network.

Published: Jul 14, 2026 18:18

Last Modified: Aug 19, 2026 04:17