CVE-2026-76486
Cisco Cisco NX-OS Software
- Cisco Cisco NX-OS Software
- Critical
- CVSS 9.8
- EPSS 0.54%
- No fixed version listed here
What to do
No fixed version listed here
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| Cisco Cisco NX-OS Software | 9.3(3); 9.3(4); 9.3(5); 9.3(6); 9.3(5w); 9.3(7); 9.3(7k); 9.3(7a); 9.3(8); 9.3(9); 9.3(10); 10.3(1); 10.3(2); 9.3(11); 10.3(3); 9.3(12); 10.4(1); 10.3(99w); 10.3(3w); 10.3(99x); 10.3(3o); 10.3(4); 10.3(3p); 10.3(4a); 10.4(2); 10.3(3q); 9.3(13); 10.3(5); 10.4(3); 10.3(3x) | Only in the CVE record |
The CVE record lists 33 ranges this page cannot state exactly.
Scores and signals
- Exploitation
- No known exploitation
- Severity
- Critical, CVSS 9.8 (v3.1, scored by cisco)
- EPSS
- 0.54% chance of exploitation in the next 30 days (EPSS from FIRST, as of Oct 25, 2026)
- CISA's SSVC decision points
- Exploitation: none. Automatable: yes. Technical impact: total. As of Oct 7, 2026.
- Weakness
- CWE-121: Stack-based Buffer Overflow
- Vendor
- Cisco, Cisco NX-OS Software
Timeline
- First listed as critical by cve.now. Affected and fixed versions come from the CVE record, once one is published.