CVE-2026-20336

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...

Cisco ASA Software Vulnerabilities CVE-2026-20335 and CVE-2026-20336 Disclosed66.5

Cisco has disclosed two high-risk vulnerabilities in its Secure Adaptive Security Appliance Software, tracked as CVE-2026-20335 and CVE-2026-20336, both published on 2026-09-16. CVE-2026-20336 involves improper resource control, while CVE-2026-20335 relates to incorrect calculations. Both vulnerabil...