Cisco Advance Notification for Publication of August 5, 2026, Security Advisories

Low Riskcisco-sa-notice-L4XfJg8SJul 29, 2026
Cisco
IT in OT - Cisco networking products are commonly deployed in OT environments
Summary

This is an advance notification that Cisco will publish security advisories on August 5, 2026, disclosing vulnerabilities in IOS XE, UCS (Managed and Standalone), IMC Supervisor, Catalyst SD-WAN, RoomOS, and Terminal Services Agent. All versions of these products are currently listed as affected with no fixes available yet. Fixed software releases will be provided in the August 5 advisories. Cisco recommends customers upgrade to patched versions once they are available.

What this means
What could happen
This is an advance notice only—no vulnerabilities are disclosed yet. Cisco will publish detailed security advisories on August 5, 2026, affecting network infrastructure, routing, management, and collaboration systems. Customers should plan to assess and patch affected products after the advisories are published.
Who's at risk
Organizations running any version of Cisco IOS XE (network routers, switches), Unified Computing System (UCS Managed or Standalone servers), Integrated Management Controller (IMC Supervisor), Catalyst SD-WAN (SD-WAN appliances), RoomOS (collaboration endpoints), or Terminal Services Agent should monitor for the August 5, 2026 advisories. Impact is unknown until details are published.
How it could be exploited
Exploitation details are not yet available. Once advisories are published on August 5, 2026, specific attack vectors will be disclosed for each product.
Prerequisites
  • Specific prerequisites cannot be determined until the August 5, 2026 advisories are published with vulnerability details.
All versions affected—no fix currently availableMultiple critical infrastructure and network productsVulnerability details not yet disclosed
Affected products (7)
7 pending
ProductAffected VersionsFix Status
IOS XE SoftwareAll versionsNo fix yet
Unified Computing System (Managed)All versionsNo fix yet
Unified Computing System (Standalone)All versionsNo fix yet
Integrated Management Controller (IMC) SupervisorAll versionsNo fix yet
Catalyst SD-WANAll versionsNo fix yet
RoomOS SoftwareAll versionsNo fix yet
Terminal Services AgentAll versionsNo fix yet
Remediation & Mitigation
0/3
Schedule — requires maintenance window
0/2

Patching may require device reboot — plan for process interruption

Integrated Management Controller (IMC) Supervisor
HOTFIXMonitor Cisco PSIRT advisories on August 5, 2026 for detailed vulnerability information and fixed software versions for IOS XE, UCS, IMC, Catalyst SD-WAN, RoomOS, and Terminal Services Agent
All products
HOTFIXPlan maintenance windows and firmware upgrade schedules for affected Cisco products after August 5 advisories specify fixed versions
Long-term hardening
0/1
HARDENINGReview the Cisco PSIRT blog post on predictable vulnerability disclosure to understand the new disclosure timeline and process
API: /api/v1/advisories/7d774518-8878-492b-9749-f55942f4ef21

Get OT security insights every Tuesday

Advisory breakdowns, a weekly summary, and incident analyses for the people actually defending OT environments. Free, no account required.

Cisco Advance Notification for Publication of August 5, 2026, Security Advisories - OTPulse