Cisco Security Advisoriescisco-sa-fmc2-multivulns-HXgcqRG

Cisco Secure Firewall Management Center Software Vulnerabilities

Multiple vulnerabilities in Cisco Secure Firewall Management Center (FMC) Software could allow a remote attacker to gain root access and perform session forgery or session impersonation. For more information about these vulnerabilities, see the Details section of this advisory. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc2-multivulns-HXgcqRG This advisory is part of a group of advisories. For a complete list of the advisories and links to them, see Cisco Advance Notification for Publication of September 16, 2026, Security Advisories. In addition, for further documentation of improvements and fixes in Cisco Secure Firewall products, see Cisco Secure Firewall Adaptive Security Appliance Software, Secure Firewall Threat Defense Software, and Secure Firewall Management Center Software Hardening Release: September 2026. Security Impact Rating: Critical CVE: CVE-2026-76412,CVE-2026-76413,CVE-2026-76420

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CriticalCVSS not listedCritical severity

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Sep 16, 2026 at 4:00 PM UTC
Published by Cisco
The publication date reported by the vendor.
Sep 16, 2026 at 4:10 PM UTC
Added to SecurityAlert
We collected the advisory from the official source.
Sep 26, 2026 at 6:40 PM UTC
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Vulnerabilities

CVEs named in this advisory

CVE-2026-76412View CVSS, KEV, EPSS, and threat context CVE-2026-76413View CVSS, KEV, EPSS, and threat context CVE-2026-76420View CVSS, KEV, EPSS, and threat context

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Vendor: Cisco
Advisory ID: cisco-sa-fmc2-multivulns-HXgcqRG
Last source check: Sep 26, 2026 at 6:40 PM UTC

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