Cisco patches CVE-2026-76482 with CVSS 10.0 in License On-Prem

On October 7, 2026, Cisco released a hardening update for Cisco License On-Prem fixing eight vulnerabilities, including CVE-2026-76482, a cryptographic signature verification flaw rated CVSS 10.0. All releases of the product are affected; the first fixed release is 10-202609.

• CVE-2026-76482 is a signature verification flaw (CWE-347) rated CVSS 10.0
• All Cisco License On-Prem releases, including SSM On-Prem, are affected
• Fixed release is 10-202609; no workarounds available
• No known exploitation or public proof of concept yet