CVE-2026-20278

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

September 8, 2026

Last Seen

September 11, 2026

API

Exploited in Wild

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Ransomware Use

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Public Exploits

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Attack Vector

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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Cisco IOS XR Vulnerabilities Require Immediate Patching74.0

Cisco has released a patch addressing multiple vulnerabilities in its IOS XR network operating system, affecting all IOS XR releases, including IOS XR7. The vulnerabilities, tracked under CVEs including CVE-2026-20274 and CVE-2026-20279, could allow remote code execution (RCE) and root access on rou...