What is CVE-2026-76483?
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-2026-76483 are related to issues with insufficiently protected credentials that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-522.
The record classifies CVE-2026-76483 under weakness class CWE-522. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 3 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 9.1 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - EPSS (FIRST)
- 0.2% probability of exploitation in the next 30 days, higher than 11.7% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 5/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-10-07, last modified 2026-10-08
Is CVE-2026-76483 being exploited?
It currently carries a trending score of 42 in the Threadlinqs vulnerability feed.
Affected products and versions
- Cisco: License On-Prem
How to fix CVE-2026-76483
No vendor patch reference has been recorded for CVE-2026-76483 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2026-76483
2 tracked threats in the Threadlinqs corpus reference CVE-2026-76483, either in the campaign’s CVE list or as an indicator on the campaign record.
- Cisco Nexus 3000/9000 NX-OS and Cisco License (Smart Software Manager On-Prem) critical flaws enabling switch takeover (CVE-2026-76471, CVE-2026-76480, CVE-2026-76482 and others) — CRITICAL · 2026-10-09
- Cisco October 2026 Security Advisories: Critical Flaws in Meraki, License (SSM) On-Prem, NX-OS, APIC and Finesse (CVE-2026-76464, CVE-2026-20328, CVE-2026-76485 and others) — CRITICAL · 2026-10-09
Sources
Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on .