Cisco IOS XR Software Security Hardening Release: September 2026
Classification: Critical, Solution: Official Fix, Exploit Maturity: Not Defined, CVSSv3.1: 9.8, CVEs: CVE-2026-20274, CVE-2026-20275, CVE-2026-20276, CVE-2026-20277, CVE-2026-20278, CVE-2026-20279, CVE-2026-20280, Summary: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XR Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered…
CVSS 9.8 CVE-2026-20274 CVE-2026-20275 CVE-2026-20276 CVE-2026-20277 CVE-2026-20278 CVE-2026-20279 CVE-2026-20280 Cisco FI US 2 zdrojů