As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Application Policy Infrastructure Controller (APIC)… (CVE-2026-76500)

The Cisco APIC engineering team conducted a comprehensive internal security review that uncovered multiple vulnerabilities categorized under CWE-664 (Improper Control of a Resource Through its Lifetime). These vulnerabilities are tracked under CVE-2026-76500 and have a CVSS 3.1 base score of 9.8, reflecting critical severity with network attack vector, low attack complexity, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability. The vulnerabilities were addressed by software hardening releases, although no explicit patch or version information is provided in the input data.

The vulnerabilities allow an attacker to potentially compromise confidentiality, integrity, and availability of the Cisco APIC system due to improper resource control. The critical CVSS score of 9.8 indicates that exploitation could lead to severe consequences including full system compromise. However, there are no known exploits in the wild as per the provided data.

Software hardening releases have been made by Cisco to address these vulnerabilities as part of their proactive security efforts. No explicit patch or version information is provided, so users should consult Cisco's official advisories for the latest remediation guidance. Since this is not a cloud service, remediation depends on applying vendor-provided updates. Patch status is not yet confirmed from the input data; check Cisco's vendor advisory for current remediation details.