CVE-2026-20242

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

September 17, 2026

Last Seen

September 17, 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

Critical Zero-Day Vulnerability in Cisco ISE Under Active Exploitation89.0

Cisco has disclosed a critical vulnerability (CVE-2026-76460) in its Identity Services Engine (ISE) that allows unauthenticated remote attackers to bypass authentication via a flaw in an API endpoint. This vulnerability has a CVSS score of 10.0 and is actively being exploited in the wild, prompting...