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01 Record

CVE-2026-76498

Cisco Application Policy Infrastructure Controller Hardening Release: October 2026 - Improper Access Control Vulnerabilities

CriticalPUBLISHEDCNA: cisco
CNA base score9.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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02 Description

Cisco Application Policy Infrastructure Controller Hardening Release: October 2026 - Improper Access Control Vulnerabilities

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.30% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 22.5% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Awaiting Analysis. NVD last modified this record on 2026-10-08.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-07 16:17Z21 DAYS AGO
Last updated
2026-10-07 18:05Z21 DAYS AGO
Reserved
2026-08-19
Assigning CNA
cisco
Record state
PUBLISHED
Severity
Critical (CVSS 9.8)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-284Improper Access ControlPillar
Data version
5.2
Document digest
45037144f1a9dcf727645701e3b7ef8d6e7685f1174430292a5d1797ac4ae8bb

05 Affected products

VendorProductVersionsPlatforms
CiscoCisco 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)—

06 References