CVE-2026-20223

CVE

Threat entity extracted from intelligence sources

Frequency

9

occurrences

First Seen

May 21, 2026

Last Seen

May 22, 2026

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

Critical Zero-Day Vulnerability CVE-2026-20182 Exploited in Cisco SD-WAN Systems87.2

Cisco has disclosed a critical authentication bypass vulnerability, CVE-2026-20182, affecting its Catalyst SD-WAN Controller and Manager. This flaw allows unauthenticated remote attackers to bypass authentication and gain administrative privileges, enabling manipulation of network configurations. Th...

Public Exploits

Checking GitHub for proof-of-concept code…

Related Clusters (1)

Critical Zero-Day Vulnerability CVE-2026-20182 Exploited in Cisco SD-WAN Systems

May 14·131 sources

Related Articles (9)

Cisco patches security hole with top rating in Secure Workload

Heise.De·May 22

Cisco Secure Workload Flaw CVE-2026

Thecyberexpress·May 22

Critical vulnerability in Cisco Secure Workload rated at maximum severity

Csoonline·May 21

Cisco Patches Critical CVSS 10.0 Authentication Bypass in Secure Workload

Beyondmachines·May 21

Max severity Cisco Secure Workload flaw gives Site Admin privileges

Bleepingcomputer·May 21

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Related Entities

Zero-day Exploit Data Breach Denial-of-Service Denial of Service Cisco China CVE-2026-20206 CVE-2026-20171 CVE-2026-20182 CVE-2026-20199 CWE-287 - Improper Authentication Cwe-306 - Missing Authentication For Critical Function