CVE-2026-76470 Cisco Meraki Hardening Release - Incorrect Calculation Vulnerabilities
Cisco Meraki devices contain incorrect calculation flaws that could lead to denial of service or undefined behavior, requiring firmware updates.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-76470?
CVE-2026-76470 is a high-severity vulnerability in Cisco Campus Gateway Software, published on 7 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
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.
Weakness: CWE-682
Which versions are affected by CVE-2026-76470?
How do I fix CVE-2026-76470?
No fix has been published for CVE-2026-76470 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-76470 being exploited?
There is no known exploitation of CVE-2026-76470 in the wild and no public exploit code.
Sources
Also known as GHSA-c56x-q3cx-9pww.