Security Alert: Cisco Security Updates – July 2026

Cisco has released security updates to address multiple vulnerabilities across its products. Successful attacks could allow attackers to compromise affected systems.

Affected products include but are not limited to:

• Cisco Identity Services Engine (ISE)       
• Cisco Unified Communications Manager
• Cisco Catalyst SD‑WAN Controller, Manager, and Validator     
• Cisco Catalyst Center      

Security Risks 

Successful exploitation of the identified Cisco product vulnerabilities poses a significant security risk, as it could enable attackers to gain unauthorized control over affected systems, compromise sensitive data, and disrupt critical operations.

For the full list of security patches released by Cisco, please refer to Cisco Security Advisories. 

Recommended Actions

The National Cyber Security Authority (NCSA) recommends users and system administrators to:

• Follow and put in place the security updates shared by Cisco to lower the risk of vulnerability exploitation.
• Before updating or patching, please ensure that you have the latest backup that can easily be restored.

For further information and support, please contact the National Cyber Security Authority (NCSA) by email to rwcsirt@ncsa.gov.rw or call us on 9009. 

References

• https://sec.cloudapps.cisco.com/security/center/publicationListing.x
• Cisco Security portal