Cisco Webex vulnerabilities and fixes

CVEs that mention Cisco Webex, ranked by priority. 1 tracked.

Cisco Webex has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 0. Most recent: 2026-06-17. Highest priority: CVE-2026-20178 (score 18/100).

• CVE-2026-20178 MEDIUM 4.3 MITIGATE A vulnerability in the browser-based version of Cisco Webex App could have allowed an unauthenticated, remote

FAQ

How do I fix Cisco Webex vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is Cisco Webex being exploited right now?

None of the tracked Cisco Webex CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which Cisco Webex CVE should I patch first?

CVE-2026-20178 currently ranks highest (18/100): A vulnerability in the browser-based version of Cisco Webex App could have allowed an unauthenticated, remote .

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