CVE-2026-20316

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

July 29, 2026

Last Seen

October 15, 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...

Critical Cisco FMC Vulnerabilities Under Active Exploitation88.3

Cisco's Secure Firewall Management Center (FMC) Software has two critical vulnerabilities, CVE-2026-20079 and CVE-2026-20316, that are currently being exploited by state-sponsored and ransomware actors. CVE-2026-20079, rated 10.0 on the CVSS scale, allows unauthenticated remote attackers to bypass a...

Critical Zero-Day Vulnerability in Cisco Secure Email Gateway Exploited82.3

On September 14, 2026, Cisco disclosed a critical SQL injection vulnerability (CVE-2026-76461) in its Secure Email Gateway, allowing unauthenticated remote attackers to execute arbitrary commands with root privileges. This vulnerability arises from insufficient validation in the email parsing logic....

Cisco FMC Static Credential Vulnerability Under Active Exploitation72.0

Cisco has reported a high-severity vulnerability (CVE-2026-20316) in its Secure Firewall Management Center (FMC) software, which is being actively exploited in the wild. The flaw arises from hardcoded static credentials for a low-privileged account, allowing unauthenticated remote attackers to log i...