CVE-2026-76459

LOWCVSS 8.8 · HIGH

Signal is active with 3 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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-2026-76459 are related to out-of-bounds write issues that are grouped under the Common Weakness Enumeration (CWE) CWE-787.

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0.0/ 10 priority

Sources & remediation

Other references

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-nxosw1-cWzSbtR

Weakness type (CWE)

CWE-787

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

3 mentions across 1 observed day

What's happening

3 total mentions across 1 day

Deep dive

Activity timeline3 mentions / 1d

Referenced assets2 URLs

By indicator

Full discourse3 posts

VulDB 🛡@vuldb1d
The severity is increased for this new vulnerability affecting Cisco NX-OS Software and other products (CVE-2026-76459) vuldb.com/vuln/415094
00000101
2.3K followersView on X
CVE@CVEnew1d
CVE-2026-76459 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 revi… https://www.cve.org/CVERecord?id=CVE-2026-76459
00000744
58.1K followersView on X
Kaitan ID Security@KaitanSecurity1d
⚠️ HIGH — CVE-2026-76459 As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has c… CVSS 8.8 Full analysis → https://sec.kaitan.id/cves/CVE-2026-76459 #Cisco #CyberSecurity #InfoSec
0000028
89 followersView on X

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