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CVSS 9.1: Critical Cisco ISE Vulnerabilities Enable Remote Code Execution and Unauthenticated Data Theft

19 June 2026  |  dark6  |  Vulnerability

Cisco has disclosed two critical vulnerabilities in its Identity Services Engine (ISE) — CVE-2026-20181 (RCE, CVSS 9.1) and CVE-2026-20190 (unauthenticated information disclosure) — affecting all ISE and ISE-PIC...

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CVE-2026-50656: Microsoft Confirms Defender ‘RoguePlanet’ Zero-Day — No Patch Available Yet

19 June 2026  |  dark6  |  Vulnerability

Microsoft has confirmed CVE-2026-50656, a zero-day TOCTOU race condition in Microsoft Defender dubbed 'RoguePlanet,' that allows low-privilege attackers to escalate to SYSTEM on fully patched Windows 10 and...

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usbliter8: New iPhone BootROM Vulnerability Exposes A12/A13 Apple SoCs to Full Chain-of-Trust Compromise

19 June 2026  |  dark6  |  Vulnerability

Security researchers have disclosed 'usbliter8,' a critical hardware-level BootROM vulnerability affecting Apple devices with A12, S4/S5, and A13 SoCs. The flaw allows attackers to bypass Apple's entire Secure...

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FortiBleed: Over 73,000 Fortinet Firewalls Compromised Across 194 Countries in Massive Credential Attack

18 June 2026  |  dark6  |  Vulnerability

A devastating cyber espionage campaign dubbed 'FortiBleed' has silently compromised over 73,932 unique Fortinet firewall URLs spanning 194 countries. Discovered by security researcher Volodymyr Diachenko and analyzed by...

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Critical Fortinet FortiSandbox Vulnerabilities Actively Exploited in the Wild

17 June 2026  |  dark6  |  Vulnerability

Threat actors are actively exploiting three critical Fortinet FortiSandbox vulnerabilities — including CVE-2026-39813, which has no prior exploitation history. All flaws allow unauthenticated remote access via the JRPC...

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Microsoft Lets connectivity.office.com TLS Certificate Expire, Breaking Enterprise Microsoft 365 Diagnostics

16 June 2026  |  dark6  |  Vulnerability

Microsoft allowed the TLS certificate for connectivity.office.com — a critical enterprise Microsoft 365 diagnostic endpoint — to expire on June 14, 2026, triggering browser security warnings and breaking...

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CVE-2026-48558: Critical SimpleHelp Auth Bypass Exposes 14,000 RMM Servers to Unauthenticated Access

16 June 2026  |  dark6  |  Vulnerability

Horizon3.ai disclosed CVE-2026-48558, a critical authentication bypass in SimpleHelp's OIDC integration that allows unauthenticated attackers to create privileged technician accounts and bypass MFA. Nearly 14,000 internet-exposed servers are...

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CVE-2026-20262: Cisco Catalyst SD-WAN vManage Zero-Day Actively Exploited in Enterprise Attacks

16 June 2026  |  dark6  |  Vulnerability

Cisco has confirmed active zero-day exploitation of CVE-2026-20262, an arbitrary-file-write vulnerability in Catalyst SD-WAN Manager (vManage) that allows attackers to deploy web shells and escalate to root. No...

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