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CVE-2026-20274

CVE

Threat entity extracted from intelligence sources

Frequency
5
occurrences
First Seen
September 3, 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 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...

On September 2, 2026, Cisco disclosed a critical vulnerability (CVE-2026-20212) affecting its Nexus 9000 Series Switches equipped with Silicon One ASICs. This flaw allows unauthenticated remote attackers to execute code with root privileges via accessible TCP ports 43210 and 43211 in the default Lay...

Cisco's internal security review identified several vulnerabilities in IOS XR Software, including CVE-2026-20279 and CVE-2026-20274, both rated at CVSS 9.8. These vulnerabilities involve improper access control and lifecycle management issues. Cisco has released patches for these vulnerabilities, wh...

Public Exploits

Checking GitHub for proof-of-concept code…