Vulnerability · Published Oct 7, 2026 · Assigned by cisco
CVE-2026-76470Cisco Meraki Hardening Release - Incorrect Calculation Vulnerabilities
High 8.8
In plain English
A high-severity security flaw in Cisco Campus Gateway Software from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).
Official description
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco networking engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76470 are related to incorrect calculation issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-682.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco Campus Gateway Software | CG 33.1.3 |
| Cisco | Cisco Meraki MR Wireless Access Points Software | MR 33.1.2MR 30.6MR 32.1.7MR 32.2.3MR 32.2.4MR 33.1.1 |
| Cisco | Cisco Meraki MV Firmware | 4.205.05.15.25.35.45.4.15.5 |
| Cisco | Cisco Meraki MX Firmware | 16.216.316.416.516.617.317.617.7 |
Weakness: CWE-682 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H