CVE-2026-76459
Cisco Cisco NX-OS Software
- Cisco Cisco NX-OS Software
- Critical
- CVSS 9.8
- EPSS 0.31%
- No fixed version listed here
What to do
No fixed version listed here
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| Cisco Cisco NX-OS Software | 8.2(5); 7.3(5)D1(1); 8.4(2); 8.4(3); 9.2(3); 8.2(1); 7.3(1)D1(1); 9.2(2v); 7.3(0)D1(1); 7.3(4)D1(1); 9.2(1); 9.2(2t); 9.2(3y); 9.3(2); 7.3(1)DY(1); 8.1(1); 8.2(2); 8.3(2); 7.3(2)D1(3a); 9.2(4); 8.1(2); 7.3(3)D1(1); 8.2(3); 8.3(1); 8.4(1); 8.1(1b); 7.3(0)DX(1); 7.3(2)D1(1); 9.3(1); 7.3(2)D1(2) | Only in the CVE record |
| Cisco Cisco NX-OS System Software in ACI Mode | 15.2(1g); 15.2(2e); 15.2(2f); 15.2(2g); 15.2(2h); 15.2(3f); 15.2(3e); 15.2(3g); 15.2(4d); 15.2(4e); 15.2(5c); 15.2(5d); 16.0(1g); 15.2(5e); 15.2(4f); 15.2(6e); 15.2(6h); 16.0(1j); 15.2(6g); 15.2(7f); 15.2(7g); 16.0(2h); 15.2(8d); 16.0(2j); 15.2(8e); 16.0(3d); 16.0(3e); 15.2(8f); 15.2(8g); 15.3(1d) | Only in the CVE record |
| Cisco Cisco Unified Computing System (Managed) | 4.0(1a); 4.1(1d); 4.0(4f); 4.0(4c); 4.0(2b); 4.1(2a); 4.0(4a); 4.0(4e); 4.0(4h); 4.0(2a); 4.1(1c); 4.0(1b); 4.1(1e); 4.0(4d); 4.0(4b); 4.0(2e); 4.1(1a); 4.0(4g); 4.0(1d); 4.0(1c); 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 222 ranges this page cannot state exactly.
Scores and signals
- Exploitation
- No known exploitation
- Severity
- Critical, CVSS 9.8 (v3.1, scored by cisco)
- EPSS
- 0.31% chance of exploitation in the next 30 days (EPSS from FIRST, as of Oct 25, 2026)
- CISA's SSVC decision points
- Exploitation: none. Automatable: no. Technical impact: total. As of Oct 7, 2026.
- Weakness
- CWE-787: Out-of-bounds Write
- 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.