CVE-2026-20276highCWE-691

CVE-2026-20276: falha de alta gravidade em Cisco IOS XR Software

Cisco IOS XR Software Security Hardening Release: September 2026

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21Vexday Risk Score

Sem sinal de exploração. Ela tem alerta oficial do governo brasileiro.

ssvc Trackcvss 8.6epss 0.5%
Alerta oficial no Brasil

O governo federal publicou alerta, recomendação ou boletim que cita esta vulnerabilidade.

Fonte: CTIR Gov (GSI) e CISC Gov.br, sob licença CC BY-ND 3.0.
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-2026-20276 are related to insufficient control flow management issues that are grouped under the Common Weakness Enumeration (CWE) CWE-691.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Produtos afetados
Cisco · Cisco IOS XR Software
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