CVE-2026-76480

Unspecified impact via improper authentication

Published Oct 7, 2026 · Updated Oct 7, 2026

Improper authentication in Cisco License On-Prem allows attackers to cause unspecified impact via unspecified vectors. Cisco groups the internally discovered issues under CWE-306 but has not identified the affected authentication function or described the operation it performs without authentication. The required access, affected configuration, and consequence of reaching that function remain undisclosed.

CVSS severityUnavailable
Unscored
EPSS probability0.33%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Get started

Summary

What happened

Improper authentication in Cisco License On-Prem allows attackers to cause unspecified impact via unspecified vectors. Cisco groups the internally discovered issues under CWE-306 but has not identified the affected authentication function or described the operation it performs without authentication. The required access, affected configuration, and consequence of reaching that function remain undisclosed.

The record

CVE
CVE-2026-76480
Published
Oct 7, 2026
Updated
Oct 7, 2026
Vendor
Cisco
Product
Cisco License On-Prem
Classifications
CWE-306
Attack vector
Unavailable
Privileges
Unavailable

Timeline

How it unfolded

  1. Oct 7, 2026CVE publishedPublication date reported by the CVE source.
  2. Oct 7, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=10-202606
  2. Affected versionversion=10-202608
  3. Affected versionversion=1.1
  4. Affected versionversion=1.2
  5. Affected versionversion=1.3
  6. Affected versionversion=1.4
  7. Affected versionversion=6.3.0
  8. Affected versionversion=7-202001
  9. Affected versionversion=8-202004
  10. Affected versionversion=8-202006
  11. Affected versionversion=8-202008
  12. Affected versionversion=8-202010
  13. Affected versionversion=8-202012
  14. Affected versionversion=8-202102
  15. Affected versionversion=8-202105
  16. Affected versionversion=8-202108
  17. Affected versionversion=8-202112
  18. Affected versionversion=8-202201
  19. Affected versionversion=8-202206
  20. Affected versionversion=8-202212
  21. Affected versionversion=8-202302
  22. Affected versionversion=8-202303
  23. Affected versionversion=8-202304
  24. Affected versionversion=8-202308
  25. Affected versionversion=8-202401
  26. Affected versionversion=8-202404
  27. Affected versionversion=9-202201
  28. Affected versionversion=9-202406
  29. Affected versionversion=9-202407
  30. Affected versionversion=9-202410
  31. Affected versionversion=9-202412
  32. Affected versionversion=9-202501
  33. Affected versionversion=9-202502
  34. Affected versionversion=9-202504
  35. Affected versionversion=9-202507
  36. Affected versionversion=9-202510
  37. Affected versionversion=9-202601

What conditions does exploitation require?

Attack vectorUnavailable in this record.
Required privilegesUnavailable in this record.

What is affected?

Cisco · Cisco License On-Premversion=10-202606; version=10-202608; version=1.1; version=1.2; version=1.3; version=1.4; version=6.3.0; version=7-202001; version=8-202004; version=8-202006; version=8-202008; version=8-202010; version=8-202012; version=8-202102; version=8-202105; version=8-202108; version=8-202112; version=8-202201; version=8-202206; version=8-202212; version=8-202302; version=8-202303; version=8-202304; version=8-202308; version=8-202401; version=8-202404; version=9-202201; version=9-202406; version=9-202407; version=9-202410; version=9-202412; version=9-202501; version=9-202502; version=9-202504; version=9-202507; version=9-202510; version=9-202601

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
VectorUnavailable
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-306Missing Authentication for Critical Function

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Get started to see how Hinoki identifies affected software and validates exploitability in your environment.

Get started