CVE-2026-76471
Cisco Cisco NX-OS Software
- Cisco Cisco NX-OS Software
- Critical
- CVSS 9.8
- EPSS 0.49%
- No fixed version listed here
What to do
No fixed version listed here
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| Cisco Cisco NX-OS Software | 9.2(3); 9.2(2v); 9.2(1); 9.2(2t); 9.2(3y); 9.3(2); 9.2(4); 9.3(1); 9.3(1z); 9.2(2); 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) | Only in the CVE record |
| Cisco Cisco Unified Computing System (Managed) | 4.0(1a); 4.1(1d); 4.0(4f); 4.0(4a); 4.0(4e); 4.0(4c); 4.0(4h); 4.1(1c); 4.0(2a); 4.1(1e); 4.1(2a); 4.0(2b); 4.0(1b); 4.0(4d); 4.0(2e); 4.1(1a); 4.0(4g); 4.0(1c); 4.0(1d); 4.0(4b); 4.0(4i); 4.0(2d); 4.1(1b); 4.1(2b); 4.0(4k); 4.1(3a); 4.1(3b); 4.1(2c); 4.0(4l); 4.1(4a) | Only in the CVE record |
The CVE record lists 109 ranges this page cannot state exactly.
Scores and signals
- Exploitation
- No known exploitation
- Severity
- Critical, CVSS 9.8 (v3.1, scored by cisco)
- EPSS
- 0.49% 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-122: Heap-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.