THREAT OPS › Threat News › [NVD] CVE-2026-20277 (HIGH 8.2) — 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 a software hardening releases that address multiple internally discovered vu
[NVD] CVE-2026-20277 (HIGH 8.2) — 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 a software hardening releases that address multiple internally discovered vu
CVE-2026-20277 CVSS: 8.2 HIGH Published: 2026-09-02T17:17:33.110
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 a software hardening releases that address multiple internally discovered vulnerabilities.
The vulnerabilities tracked by CVE-2
MITRE ATT&CK techniques
- VulnerabilitiesT1588.006
Indicators of compromise
- CVE-2026-20277cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-20277