Cisco Publishes 12 Security Advisories Fixing Critical Flaws in Catalyst SD-WAN and IOS XE
Cisco Systems released 12 new security advisories on August 5, 2026, disclosing a total of 23 vulnerabilities across multiple products. Two advisories covering Cisco Catalyst SD-WAN Software and Cisco IOS XE Software received the highest Critical severity rating. The SD-WAN advisory addresses five issues, including CVE-2026-20303, CVE-2026-20304, and CVE-2026-20310, each scoring 9.9 on CVSSv3.1. The IOS XE advisory details seven vulnerabilities, with CVE-2026-20272 rated 9.8 and CVE-2026-20267 rated 9.0. Additional advisories cover flaws in Integrated Management Controller, RoomOS, and Terminal Services Agent. Organizations are urged to apply the hardening releases immediately to mitigate remote exploitation risks.
Security NEXTAug 7, 2026Translated from Japanese