https://microsegment.io/tags/cve-2026-76461/ Recent content in CVE-2026-76461 on microsegment.io Hugo en-us Tue, 15 Sep 2026 00:00:00 +0000 https://microsegment.io/post/2026-09-15-email-security-gateway-containment/ Tue, 15 Sep 2026 00:00:00 +0000 https://microsegment.io/post/2026-09-15-email-security-gateway-containment/ <p>The system designed to inspect hostile email can itself become the first compromised workload.</p> <p>That is the uncomfortable lesson from <a href="https://www.cisco.com/c/en/us/support/docs/csa/cisco-sa-esa-inj-2bLVGmhX.html">Cisco Secure Email Gateway CVE-2026-76461</a>. Cisco says insufficient validation in AsyncOS email parsing allows an unauthenticated remote attacker to send a crafted message, execute arbitrary SQL statements, and reach command execution with root privileges on the underlying operating system.</p> <p>Cisco published the critical advisory on September 14, 2026, assigned a CVSS score of 9.8, confirmed active exploitation, and provided fixed releases. There is no workaround. <a href="https://www.cisa.gov/known-exploited-vulnerabilities-catalog">CISA added the vulnerability to its Known Exploited Vulnerabilities catalog</a>, according to the <a href="https://www.cyber.gc.ca/en/alerts-advisories/cisco-security-advisory-av26-921">Canadian Centre for Cyber Security advisory</a>.</p>