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.
Cisco PSIRT said it will publish security advisories on October 21, 2026, along with fixed software for several products. The notice names Expressway Series, IOS XR Software for ASR 9000 Series routers, Secure Client, Snort, and Unified Communications products, including security hardening releases. Cisco recommends upgrading to the fixed software identified in those advisories. No specific flaws or CVE identifiers are disclosed in this advance notice.
- Advisories and fixed releases are scheduled for October 21, 2026.
- Affected lines include Expressway, IOS XR on ASR 9000, Secure Client, Snort, and Unified Communications.
- Some publications are described as security hardening releases.
- No vulnerability details or CVE identifiers are disclosed yet.
- Vendors
- Cisco
- Products
- Cisco ExpresswayCisco IOS XRCisco ASR 9000Cisco Secure ClientSnortCisco Unified Communications
- Organizations
- Cisco PSIRT
From the original article
On October 21, 2026, the Cisco Product Security Incident Response Team (PSIRT) will publish advisories to disclose security vulnerability information along with fixed software releases for the following Cisco products: Expressway Series (security hardening release) IOS XR Software for ASR 9000 Series Routers Secure Client Snort (security hardening release) Unified Communications products (security hardening…
sec.cloudapps.cisco.com
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