SEPTEMBER 17, 2026
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Case File

CVE-2026-20280

HIGH · CVSS 8.8 EPSS 0.29%

Source: NVD + CISA KEV + EPSS · Published 2026-09-02 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

Cisco IOS XR Software is vulnerable due to improper handling of exceptional conditions, which could lead to potential exploitation. The high severity of this issue (CVSS 8.8) indicates that it could allow unauthorized access or denial of service, impacting network integrity and availability. Organizations using Cisco IOS XR should prioritize applying the latest software hardening releases to mitigate these risks.

CVE
CVE-2026-20280
Severity
HIGH
CVSS
8.8
EPSS
0.29%
Cisco

Original NVD Description

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-2026-20280 are related to improper checking or handling of exceptional condition issues that are grouped under the Common Weakness Enumeration (CWE) CWE-703.