Cisco Application Policy Infrastructure Controller Security Hardening Release: October 2026
🔗 CVE IDs covered (3)
📋 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.
These vulnerabilities were found during internal testing and are not known to be actively exploited. To assist customers in patching and streamline the disclosure process, Cisco has grouped these issues by their underlying vulnerability class — Common Weakness Enumeration (CWE) — and assigned a single Common Vulnerabilities and Exposures identifier (CVE ID) to each CWE grouping.
Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
CVE-2026-76499 — Cisco Application Policy Infrastructure Controller Hardening Release: October 2026 - Improper Neutralization Vulnerabilities (CVSS 3.1 9.8, CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) CVE-2026-76498 — Cisco Application Policy Infrastructure Controller Hardening Release: October 2026 - Improper Access Control Vulnerabilities (CVSS 3.1 9.8, CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) CVE-2026-76500 — Cisco Application Policy Infrastructure Controller Hardening Release: October 2026 - Improper Control of a Resource Through its Lifetime Vulnerabilities (CVSS 3.1 9.8, CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
🎯 Affected products64
- Cisco Application Policy Infrastructure Controller (APIC)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(1g)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(2e)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(2f)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(2g)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(2h)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(3e)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(3f)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(3g)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(4d)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(4e)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(4f)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(4h)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(5c)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(5d)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(5e)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(6e)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(6g)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(6h)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(7f)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(7g)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(8d)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(8e)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(8f)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(8g)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(8h)
- Cisco Application Policy Infrastructure Controller (APIC) 5.2(8i)
- Cisco Application Policy Infrastructure Controller (APIC) 5.3(1d)
- Cisco Application Policy Infrastructure Controller (APIC) 5.3(2a)
- Cisco Application Policy Infrastructure Controller (APIC) 5.3(2b)
- +34 more not shown
✅ Remediation
Cisco has released software updates that address this vulnerability. https://software.cisco.com Workarounds: There are no workarounds that address these vulnerabilities.