CVE-2026-76498

Critical

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-2026-76498 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-284.

SeverityCritical
CVSS9.8
Exploit probability23. percentile0.3%
ProductCisco Application Policy Infrastructure Controller (APIC)
PublishedOct 7, 2026
First seenOct 7, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Cisco Cisco Application Policy Infrastructure Controller (APIC)5.2(1g), 5.2(2e), 5.2(2f), 5.2(2g), 5.2(2h), 5.2(3f), 5.2(3e), 5.2(3g), 5.2(4d), 5.2(4e), 5.2(5d), 5.2(5c), 6.0(1g), 5.2(5e), 5.2(4f), 5.2(6e), 6.0(1j), 5.2(6g), 5.2(7f), 5.2(7g), 6.0(2h), 5.2(6h), 5.2(4h), 5.2(8d), 6.0(2j), 5.2(8e), 6.0(3d), 6.0(3e), 5.2(8f), 5.2(8g), 5.3(1d), 5.2(8h), 6.0(4c), 5.3(2a), 5.2(8i), 6.0(5h), 5.3(2b), 6.0(3g), 6.0(5j), 5.3(2c), 6.0(6c), 6.1(1f), 6.0(7e), 5.3(2d), 6.0(8d), 6.0(8e), 6.1(2f), 6.0(8f), 5.3(2e), 6.1(2g), 5.3(2f), 6.0(9c), 6.1(3f), 6.0(9d), 6.0(6g), 6.0(6h), 6.0(8h), 6.1(3g), 6.1(4h), 6.0(9e), 6.1(5e), 6.2(1f), 6.2(1g), 6.0(9f), 6.2(2e)—

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CVE-2026-76498 · Cisco Application Policy Infrastructure Controller (APIC) · Dark Radar