As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive…
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS 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-2026-76457 are related to out-of-bounds read issues that are grouped under the Common Weakness Enumeration (CWE) CWE-125.
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- Cisco
- Product
- IOS XE / IOS XR / NX-OS
- CVSS
- 8.6
- EPSS
- 0.003 (p20)
- Exposure class
- Edge / VPN / firewall
Why it ranks 34 (Notable)
- CVSS 8.6 high
- Exposed product class: edge / VPN / firewall
- Widely deployed vendor product (Cisco)
- Covered by 2 independent sources
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
- CVE-2026-76457 on this site · NVD · CVE.org · Vulnpedia
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