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Cisco security advisory (AV26-1020)

Cisco security advisory (AV26-1020)

Cyber.Gc.Ca • October 8, 2026

As of October 7, 2026, Cisco is affected by vulnerabilities in the following products:

Cisco Nexus 3000 Series Switches Multiple versions and models

Multiple versions and models

Cisco Nexus 9000 Series Switches Multiple versions and models

Multiple versions and models

UCS 6300 Series Fabric Interconnect Prior to 4.3(6.260049)

Prior to 4.3(6.260049)

Meraki Campus Gateways Prior to 32.2.5 (late Oct 2026) Prior to 33.1.4 (mid-Nov 2026)

Prior to 32.2.5 (late Oct 2026)

Prior to 33.1.4 (mid-Nov 2026)

Meraki MG Cellular Gateways Prior to 26.1.4

Meraki MR Wireless Access Points Multiple versions

Meraki MS Series Switches Multiple Versions

Meraki MV Smart Cameras Prior to 8.0

Meraki MX Security and SD-WAN Appliances Multiples versions

Cisco License On-Prem Release Prior to 10-202609

Cisco NX-OS Software Release Multiples versions

Cisco UCS Software Release Prior to 4.3(6.260049) Prior to 4.3(6.260059) Prior to 6.0(2.260080)

Prior to 4.3(6.260049)

Prior to 4.3(6.260059)

Prior to 6.0(2.260080)

Cisco Application Policy Infrastructure Controller (APIC) Prior to 6.0(9h) Prior to 6.1(6g) Prior to 6.2(3g)

Cisco Finesse Release Prior to 15.0(1) SU3 (Feb 2027)

Prior to 15.0(1) SU3 (Feb 2027)

Cisco Packaged CCE and Unified CCE Release Prior to 15.0(1)ES202701 (Jan 2027)

Prior to 15.0(1)ES202701 (Jan 2027)

Cisco Unified CCX Release Prior to 15.0(1) SU2 (Feb 2027)

Prior to 15.0(1) SU2 (Feb 2027)

The Cyber Centre encourages users and administrators to review the provided web link and apply any necessary updates as they become available.

Cisco Security Advisories