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

Description

On November 4, 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: Identity Services Engine (ISE) UCS Central Software Unified Communications Manager To remediate vulnerabilities to be disclosed on November 4, 2026, Cisco strongly recommends that customers upgrade to the fixed software indicated in the advisories. Important: The Cisco PSIRT does not plan to publish any more security hardening advisories to disclose security vulnerability information for the remainder of calendar year 2026. The next planned publication of advisories for security-hardened releases will be January 20, 2027. For more information about changes in Cisco PSIRT vulnerability disclosure, see Strengthening the Foundation: A Predictable, Customer-Focused Response to AI-Accelerated Vulnerability Discovery . Security Impact Rating: Informational

What to do

Install the fixed versions listed in the official advisory. If you cannot update right away, apply the workarounds or mitigations it describes and limit access to the affected service.

Details

Vendor

Cisco

Product

Cisco ISE, UCS Central, Unified Communications Manager

CVSS score

not yet available

Actively exploited

Not known at this time

Source

Cisco PSIRT – original advisory

Published

October 28, 2026

The description and the recommended action are quoted from the public advisory (the action is our generic advice); severity, exploitation status and affected versions are compiled automatically from public sources and may contain errors. The vendor's original advisory prevails: check it before taking action. This information is provided without warranty and does not replace a professional assessment.