What is CVE-2026-20086?

CVE-2026-20086 is a high-severity vulnerability in Cisco Ios Xe Software, classified under CWE-230. CVSS score: 8.6/10. Published 2026-03-25.

How severe is CVE-2026-20086?

High severity. CVSS v3 base score is 8.6 out of 10.

Vulnerability in Cisco Ios Xe Software

CVE-2026-20086

A vulnerability in the processing of Control and Provisioning of Wireless Access Points (CAPWAP) packets of Cisco IOS XE Wireless Controller Software for the Catalyst CW9800 Family could allow an unauthenticated, remote attacker to cause a…

EPSS: 0.002 (36.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Ios Xe Software — versions 17.14.1, 17.15.1, 17.15.2

Weakness classification (CWE)

CWE-230

References

cisco-sa-wlc-dos-hnX5KGOm

Frequently asked questions

What is CVE-2026-20086?: CVE-2026-20086 is a high-severity vulnerability in Cisco Ios Xe Software, classified under CWE-230. CVSS score: 8.6/10. Published 2026-03-25.
How severe is CVE-2026-20086?: High severity. CVSS v3 base score is 8.6 out of 10.