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CVE-2026-76519 CISA KEV · Actively exploitedSuited to automated attack · CISA

Cisco Secure Email Gateway Arbitrary File Write Vulnerability

CVSS score

9.8

EPSS probability

%1.6

Risk score

0.3

Published

5 d ago

Related Security News

Articles and analysis bulletins in which the press and security publications have covered this vulnerability:

Dark Reading16.10.2026

BeyondTrust Remote Support Zero-Day Continues Trend of Exploited Edge Bugs

Ivanti, Cisco, and Palo Alto Networks all had vulnerabilities in edge devices come under fire this week. Now BeyondTrust joins the group.

Security.NL16.10.2026

NCSC verwacht toename van aanvallen op Cisco Secure Email Gateways

Het Nationaal Cyber Security Centrum (NCSC) verwacht een toename van het aantal aanvallen op Cisco Secure Email Gateways. Cisco ...

The Hacker News15.10.2026

Palo Alto Networks Patches PAN-OS Authenticated RCE Flaw Amid Active Exploitation

Palo Alto Networks on Wednesday issued security updates for a high-severity flaw in PAN-OS software that has come under active exploitation. The vulnerability, tracked as CVE-2026-0322 (CVSS score: 8.6), is a case of remote code execution in the management interface. "A remote code execution (RCE) vulnerability in the management interface of Palo Alto Networks PAN-OS software enables an

Security.NL15.10.2026

Cisco meldt actief misbruik van kritiek lek in Secure Email Gateway

Aanvallers maken door middel van malafide bijlages actief misbruik van een kritieke kwetsbaarheid in de Cisco Secure Email ...

SecurityWeek15.10.2026

Cisco Warns of Exploited Secure Email Gateway Vulnerability

Unauthenticated, remote attackers could write arbitrary files to the operating system and execute commands with root privileges. The post Cisco Warns of Exploited Secure Email Gateway Vulnerability appeared first on SecurityWeek.

TheCyberThrone15.10.2026

CISA Adds Microsoft, Ivanti, Cisco and Palo Alto Networks Vulnerabilities to KEV Catalog

CISA has expanded its Known Exploited Vulnerabilities (KEV) catalog with four vulnerabilities affecting Microsoft Windows, Ivanti Connect Secure, Cisco Secure Email Gateway, and Palo Alto Networks PAN-OS. What makes these…

The Hacker News14.10.2026

Cisco Warns of Active Attacks Exploiting New Critical Secure Email Gateway Vulnerability

Attackers are exploiting a critical flaw in Cisco Secure Email Gateway that lets a sender with no login write files to the appliance's operating system, Cisco said in an advisory on Wednesday. The attacker sends an email with a crafted attachment through the gateway and, if it succeeds, could then run commands as root. The appliance filters an organization's email for spam, malware,

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curl -H "x-api-key: $DAYBREACH_API_KEY" \
  "https://api.daybreach.dev/api/v1/intel/cves/CVE-2026-76519"