Cisco releases hardening fixes for critical CVE-2026-76482 in Cisco License On-Prem, formerly Cisco Smart Software Manager On-Prem (SSM On-Prem)

Cisco has issued software hardening releases for its Cisco License On-Prem, formerly Cisco Smart Software Manager On-Prem (SSM On-Prem), to address a critical vulnerability tracked as CVE-2026-76482.

Cisco identifies critical flaw through internal review. The engineering team conducted a comprehensive internal security review that uncovered multiple vulnerabilities. This process produced the hardening releases now available to customers.

The review focused on issues discovered internally rather than through external reports.

Vulnerability stems from improper input verification. CVE-2026-76482 covers flaws grouped under the Common Weakness Enumeration pillar CWE-347. The issues involve improper input verification that could allow remote exploitation.

No external parties reported the problems prior to the internal assessment.

CVSS score reaches maximum severity. The vulnerability carries a CVSS score of 10, placing it in the critical severity category. The scoring reflects network-accessible attack conditions with high impact on confidentiality, integrity, and availability.

Cisco has published an advisory detailing the hardening measures applied in the releases.

Customers directed to advisory for remediation steps. The company points users to its security advisory for details on the affected product versions and the hardening updates. The advisory is hosted on Cisco's security center site.