CVE-2026-76480CWE-306

CVE-2026-76480

Critical · published October 7, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
25.3
In the wild
Unconfirmed
What it is

As part of Cisco's ongoing commitment to proactive security and product quality, the engineering team for Cisco License On-Prem, formerly Cisco Smart Software Manager On-Prem (SSM On-Prem), has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.

The vulnerabilities tracked by CVE-2026-76480 are related to issues with improper authentication that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-306.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00333 · 25.3th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2026-10-07T21:17Z
References (1)
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-ssm-Ph77wdhf · [email protected]
EPSS history
Timeline
  • 09 OCT 03:31Z
    EPSS moved — → 0%
    epss
  • 07 OCT 16:15Z
    Cisco License On-Prem Security Hardening Release
    cvelistv5