CVE-2026-20086
CVE-2026-20086: 1 tracked advisory record across Cisco. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Cisco
1 advisory- Advisory severityHigh8.6
High [CVE-2026-20086] Cisco IOS XE Wireless Controller Software for the Catalyst CW9800 Family CAPWAP Denial of Service Vulnerability
cisco-sa-wlc-dos-hnX5KGOmSource published Source updated
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 denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of a malformed CAPWAP packet. An attacker could exploit this vulnerability by sending a malformed CAPWAP packet to an affected device. A successful exploit could allow the attacker to cause the affected device to reload unexpectedly, resulting in a DoS …
- Related products — impact not confirmed
- Cisco IOS XE Software 17.14.1
- Cisco IOS XE Software 17.15.1
- Cisco IOS XE Software 17.15.3
- Cisco IOS XE Software 17.15.2b
2 more entries in the full advisory.
- Source-reported affected versions
- Scope: This vulnerability affects the following Cisco products if they are running a vulnerable release of Cisco IOS XE Wireless Controller Software, regardless of device configuration:
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
- Workarounds
- There are no workarounds that address this vulnerability.
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