What is CVE-2016-0663?

CVE-2016-0663 is a medium-severity vulnerability in Oracle MySQL. CVSS score: 4.7/10. Published 2016-04-21.

How severe is CVE-2016-0663?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Vulnerability in Oracle MySQL

CVE-2016-0663

Unspecified vulnerability in Oracle MySQL 5.7.10 and earlier allows local users to affect availability via vectors related to Performance Schema.

Published 2016-04-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (52.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Oracle MySQL

References

www.securitytracker.com/id/1035606 (vdb-entry)
www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2016-0663?: CVE-2016-0663 is a medium-severity vulnerability in Oracle MySQL. CVSS score: 4.7/10. Published 2016-04-21.
How severe is CVE-2016-0663?: Medium severity. CVSS v3 base score is 4.7 out of 10.