Cyber Threat Brief

2026-06-11: A new Windows zero-day exploit bypassing Microsoft Defender was released hours after Patch Tuesday

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Show Notes - 2026-06-11
Stories Covered
  • Today:
  • New Windows Zero-Day Exploit 'RoguePlanet' Released [Critical Alerts]
  • 'GreatXML' Zero-Day Exploit Bypasses BitLocker [Critical Alerts]
  • Microsoft Patches Exchange Server Zero-Day Exploited in Attacks (CVE-2026-42897) [Critical Alerts]
  • CISA Adds Cisco, Chrome, and Arista Flaws to KEV Catalog [Critical Alerts]
  • Path Traversal Flaw in AI Dev Platform Langflow Exploited in Attacks (CVE-2026-5027) [Critical Alerts]
  • Microsoft Patches Record 206 Flaws, Including Three Zero-Days and Critical RCE Bugs [Vulnerability Disclosures]
  • Ivanti, Fortinet, and SAP Release Patches for Multiple Critical Vulnerabilities [Vulnerability Disclosures]
  • Who Runs the Ransomware Group 'The Gentlemen?' [Ransomware & Extortion]
  • WA: Chelan County Enters Third Week of Disruptions with No Recovery Timeline [Ransomware & Extortion]
  • Infostealers Turn Millions of Devices Into Credential Theft Machines [Business & Infrastructure Threats]
  • Deceptive Installers: How Fake Apps Target macOS [Business & Infrastructure Threats]
  • GitHub to Disable npm Install Scripts by Default to Stop Supply Chain Attacks [General Security News]
  • Microsoft Fixes BitLocker Recovery Bug on Windows Server 2025 [General Security News]
  • Microsoft: Some Windows PCs Fail to Install Latest Monthly Updates [General Security News]
    • CVEs Referenced

    CVE-2026-10520, CVE-2026-10523, CVE-2026-11645, CVE-2026-20245, CVE-2026-22732, CVE-2026-25089, CVE-2026-27671, CVE-2026-33017, CVE-2026-40128, CVE-2026-42897, CVE-2026-44748, CVE-2026-44815, CVE-2026-45586, CVE-2026-45657, CVE-2026-47291, CVE-2026-49160, CVE-2026-5027, CVE-2026-50507, CVE-2026-7473

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    Cyber Threat BriefBy Carolina Clear Tech, LLC