Cyber Centre flags Cisco flaws in several products (AV26-1073)
Named fixes include Expressway X15.5.20, Snort 3.12.4.0, Cyber Vision 5.6.0, and Secure Client 5.1.20.333.
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Cisco Secure Client posture module allows local privilege escalation
An authenticated local user can send crafted IPC messages and gain limited SYSTEM or root file writes.
Cisco Advance Notification for Publication of October 21, 2026, Security Advisories
Cisco will publish October 21, 2026 advisories and fixes for Expressway, IOS XR, Secure Client, Snort, and UC products.