AUGUST 15, 2026
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Case File

CVE-2026-20271

HIGH · CVSS 8.6 EPSS 0.25%

Source: NVD + CISA KEV + EPSS · Published 2026-08-05 · Last synced 2026-08-15

CyberRota Analysis

AI-Generated

Cisco IOS XE Software is vulnerable due to insufficient control flow management, which could allow an attacker to exploit these weaknesses to execute unauthorized actions. The impact is significant, as it poses a high risk of system compromise, potentially leading to unauthorized access or disruption of services. Organizations using Cisco IOS XE should prioritize this vulnerability to mitigate potential security breaches.

CVE
CVE-2026-20271
Severity
HIGH
CVSS
8.6
EPSS
0.25%
Cisco

Original NVD Description

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20271 are related to insufficient control flow management issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-691.  

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