CVE-2026-76464
CriticalCVSS 9.6Summary
The Cisco networking engineering team discovered vulnerabilities related to buffer management (CWE-119) during an internal security review. They were addressed in a hardening release.
Risk Assessment
These vulnerabilities could lead to system crashes or allow an attacker to perform unauthorized operations, potentially affecting the stability and security of Cisco devices.
Recommendation
Apply the Cisco hardening release to remediate these vulnerabilities.
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- CVE-2026-76499Critical
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- CVE-2026-76486Critical
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- CVE-2026-76485Critical
Vulnerability in VXLAN OAM (NGOAM) feature of Cisco NX-OS allows unauthenticated remote attacker to execute arbitrary code with root privileges or cause DoS. Due to improper input validation when NGOAM is enabled.
- CVE-2026-76483Critical
A security review in Cisco License On-Prem (formerly SSM On-Prem) revealed multiple vulnerabilities related to insufficiently protected credentials (CWE-522). These have been addressed in hardening releases.
- CVE-2026-76482Critical
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Original NVD description (English source)
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 this CVE-2026-76464 are related to buffer management issues that are grouped under the Common Weakness Enumeration (CWE) CWE-119.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

