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CVE-2026-76498

Broken access control

9.8 CRITICALEPSS 0.30%
  1. Published7 Oct 2026

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2026-76498 being actively exploited?

CVE-2026-76498 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.30%.

How severe is CVE-2026-76498?

CVE-2026-76498 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.30% probability of exploitation.

How do I fix CVE-2026-76498?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-76498 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.