PatchTheCVEmco vulnerabilities and fixes
Recent CVEs affecting mco, with upgrade or downgrade steps. 1 tracked.
mco has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 0. Most recent: 2026-07-01. Highest priority: CVE-2026-53904 (score 32/100).
- CVE-2026-53904 HIGH 7.1 DOWNGRADE MCO is vulnerable to Account Denial of Service due to improper implementation of password reset functionality
FAQ
How do I fix mco 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 mco being exploited right now?
None of the tracked mco CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which mco CVE should I patch first?
CVE-2026-53904 currently ranks highest (32/100): MCO is vulnerable to Account Denial of Service due to improper implementation of password reset functionality.