Tag: Cisco zero-day

Cybersecurity Threat Advisory
Cybersecurity Threat Advisory: Zero-day Cisco vulnerability

Cybersecurity Threat Advisory: Zero-day Cisco vulnerability

CVE‑2026‑20045 is a critical zero‑day vulnerability impacting multiple Cisco Unified Communications products and Webex Calling Dedicated Instances. Successful exploitation allows an unauthenticated attacker to achieve remote code execution. Continue reviewing this Cybersecurity Threat Advisory to learn how to mitigate your...

/ January 27, 2026
Cybersecurity Threat Advisory
Cybersecurity Threat Advisory: Cisco and Citrix zero-day exploits

Cybersecurity Threat Advisory: Cisco and Citrix zero-day exploits

An advanced threat actor is exploiting two previously disclosed zero-day vulnerabilities in Cisco Identity Services Engine (ISE) and Citrix NetScaler ADC to deploy custom malware and maintain persistence on targeted networks. Reports indicate the attacker is chaining appliance exploits to...

/ November 17, 2025