CVE-2026-76498— Cisco Application Policy Infrastructure Controller Hardening Release: October 2026 - Improper Access Control Vulnerabilities
Quick assessment
Affected
Cisco Cisco Application Policy Infrastructure Controller (APIC)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
为持续践行主动安全防护与提升产品质量的承诺，思科应用策略基础设施控制器（APIC）工程团队开展了一次全面的内部安全审查。该审查工作催生了一系列软件加固版本，旨在修复多项内部发现的安全漏洞。 CVE-2026-76498 跟踪的漏洞与不正确的访问控制问题相关，统一归类于通用弱点枚举（CWE）中的 CWE-284 类别。
Possible ATT&CK Techniques 1 AI
T1078 · Valid Accounts
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I. Basic Information for CVE-2026-76498
Vulnerability Information
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Vulnerability Title
Cisco Application Policy Infrastructure Controller Hardening Release: October 2026 - Improper Access Control Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Cisco | Cisco Application Policy Infrastructure Controller (APIC) | 5.2(1g) | - |
|
II. Public POCs for CVE-2026-76498
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-76498 (1)
Same Patch Batch · Cisco · 2026-10-07 · 36 CVEs total
| CVE-2026-76482 | 10.0 CRITICAL | Cisco License On-Prem Security Hardening Release |
| CVE-2026-76465 | 9.8 CRITICAL | Cisco Nexus 3000 and 9000 Series Switches MPLS OAM Remote Code Execution Vulnerability |
| CVE-2026-76455 | 9.8 CRITICAL | Cisco NX-OS Software Security Hardening Release: October 2026 - Improper Access Control Vu |
| CVE-2026-76471 | 9.8 CRITICAL | Cisco NX-OS Software NX-API Remote Code Execution Vulnerability |
| CVE-2026-76480 | 9.8 CRITICAL | Cisco License On-Prem Security Hardening Release |
| CVE-2026-76500 | 9.8 CRITICAL | Cisco Application Policy Infrastructure Controller Hardening Release: October 2026 - Impro |
| CVE-2026-76501 | 9.8 CRITICAL | Cisco Nexus 9000 Series Switches SRv6 OAM (NGOAM) Remote Code Execution Vulnerability |
| CVE-2026-76499 | 9.8 CRITICAL | Cisco Application Policy Infrastructure Controller Hardening Release: October 2026 - Impro |
| CVE-2026-76486 | 9.8 CRITICAL | Cisco Nexus 3000 and 9000 Series Switches VXLAN OAM (NGOAM) Remote Code Execution Vulnerab |
| CVE-2026-76485 | 9.8 CRITICAL | Cisco Nexus 3000 and 9000 Series Switches VXLAN OAM (NGOAM) Remote Code Execution Vulnerab |
| CVE-2026-76464 | 9.6 CRITICAL | Cisco Meraki Hardening Release October 2026 - Buffer Management Vulnerabilities |
| CVE-2026-76454 | 9.1 CRITICAL | Cisco Smart Software Manager On-Prem Unauthenticated API Vulnerability |
| CVE-2026-76483 | 9.1 CRITICAL | Cisco License On-Prem Security Hardening Release |
| CVE-2026-20328 | 9.1 CRITICAL | Cisco Smart Software Manager On-Prem Arbitrary Account Password Reset Vulnerability |
| CVE-2026-76484 | 8.8 HIGH | Cisco License On-Prem Security Hardening Release |
| CVE-2026-76453 | 8.8 HIGH | Cisco NX-OS Software Security Hardening Release: October 2026 - Improper Neutralization Vu |
| CVE-2026-76463 | 8.8 HIGH | Cisco Meraki Security Hardening Release: October 2026 - Improper Access Control Vulnerabil |
| CVE-2026-76459 | 8.8 HIGH | Cisco NX-OS Software Security Hardening Release: October 2026 - Out-of-bounds Write Vulner |
| CVE-2026-76470 | 8.8 HIGH | Cisco Meraki Hardening Release - Incorrect Calculation Vulnerabilities |
| CVE-2026-76472 | 8.8 HIGH | Cisco Meraki Security Hardening Release October 2026 - Improper Neutralization of Special |
Showing top 20 of 36 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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CVE-2026-76500
Cisco Application Policy Infrastructure Controller Hardening -
CVE-2026-76499
Cisco Application Policy Infrastructure Controller Hardening -
CVE-2026-76488
Cisco Application Policy Infrastructure Controller Authentic -
CVE-2026-20321
Cisco Application Policy Infrastructure Controller API Comma -
CVE-2026-20107
Cisco Application Policy Infrastructure Controller Denial of
Same vendor: Cisco
-
CVE-2026-76472
Cisco Meraki Security Hardening Release October 2026 - Impro -
CVE-2026-76467
Cisco Meraki Software Hardening Release - Resource Lifetime -
CVE-2026-76470
Cisco Meraki Hardening Release - Incorrect Calculation Vulne -
CVE-2026-76469
Cisco Meraki Security Hardening Release: October 2026 Insuff -
CVE-2026-76468
Cisco Meraki Hardening Release - Input Validation Vulnerabil
Same weakness: CWE-284
-
CVE-2026-76463
Cisco Meraki Security Hardening Release: October 2026 - Impr -
CVE-2026-76455
Cisco NX-OS Software Security Hardening Release: October 202 -
CVE-2026-20038
Cisco Nexus 9000 Series Fabric Switches in ACI Mode Policy-B -
CVE-2026-106580
ImageMagick: Policy Bypass in CUT encoder -
CVE-2026-107175
MISP Correlation Engine Fails to Refresh When Event Distribu
V. Comments for CVE-2026-76498
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