SECURELYN

CVE-2026-76500

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Application Policy Infrastructure Controller (APIC) engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.   The vulnerabilities tracked by CVE-2026-76500 are related to issues with improper control of a resource through its lifetime that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-664.

Scores

9.8
CVSS 9.8 out of 10, critical severity.
0.3%
EPSS 0.3% chance of exploitation in the next 30 days.

The facts

Published
7 October 2026
Last changed
8 October 2026
NVD status
Awaiting Analysis
Severity
Critical, CVSS 9.8 out of 10 (version 3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
Known exploited
Not in the CISA Known Exploited Vulnerabilities catalogue in this build.
EPSS
0.3% chance of exploitation activity in the next 30 days (percentile 24).

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References