CVE-2026-76500

Cisco Application Policy Infrastructure Controller Hardening Release: October 2026 - Improper Control of a Resource Through its Lifetime Vulnerabilities

Severity
Critical 9.8
CVSS 3.1
Remote · no auth what this means
Exploited
Not listed
EPSS
—
Discovered by
Vendor
Vendor-published field
Published
Oct 7, 2026
Assigned by cisco

Description

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.

Weakness: CWE-664

Affected products

Vendor Product Category Matched by
Cisco Cisco Application Policy Infrastructure Controller (APIC) Network & Security Management cna-assigner
Vendor-reported products (1)
  • Cisco · Cisco Application Policy Infrastructure Controller (APIC)

Vendor advisory

cisco-sa-hardening-apic-UOXWtfh

Cisco Application Policy Infrastructure Controller Security Hardening Release: October 2026

Cisco’s rating: Critical (advisory CVSS 9.8) · Published Oct 7, 2026

The vendor’s rating applies to the whole advisory and can differ from this CVE’s own CVSS severity. Where this comes from

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