Cisco Advance Notification for Publication of September 2, 2026, Security Advisories

On September 2, 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:

Desk Phone 9800, 7800 and 8800, and 8875 Series Software
IOS XR Software (security hardening release)
Nexus 9000 Series Switches Silicon One
Secure Email 

To fully remediate vulnerabilities to be disclosed on September 2, 2026, Cisco strongly recommends that customers upgrade to the fixed software indicated in the advisories.
For more information about changes in Cisco PSIRT vulnerability disclosure, see Cisco’s Transition to a Risk-Based Vulnerability Disclosure Model.

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