Cisco Advance Notification for Publication of November 4, 2026, Security Advisories

To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy ["http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco. For additional information on Cisco's vulnerability management, disclosure cadence, and software patching strategy, see Cisco's Transition to a Risk-Based Vulnerability Disclosure Model ["https://sec.cloudapps.cisco.com/security/center/resources/risk-based-disclosure"].

• sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-notice-I8z3n6lK (opens in a new tab)
• sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html (opens in a new tab)
• blogs.cisco.com/security/strengthening-the-foundation-a-predictable-customer-focused-response-to-ai-accelerated-vulnerability-discovery (opens in a new tab)
• cisco.com/web/about/security/psirt/security_vulnerability_policy.html (opens in a new tab)
• sec.cloudapps.cisco.com/security/center/resources/risk-based-disclosure (opens in a new tab)

• Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPNUnratedVulnerability2026-10-28
• Cisco Catalyst SD-WAN Controller Authentication Bypass VulnerabilityExploitedVulnerability2026-02-25
• Inside KeyDrift: Analyzing historical UAT-11473 activity on Cisco SD-WANExploitedVulnerability2026-10-28
• Cisco Unified Communications Products Security Hardening Release: October 2026UnratedVulnerability2026-10-21
• Cisco Expressway Series Security Hardening Release: October 2026UnratedVulnerability2026-10-21