CVE-2026-22002: Medium severity Oracle MySQL Server vulnerability

Published Apr 21, 2026
·
Updated

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and 9.0.0-9.6.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Affected Software

6 affected componentsFixes available
Oracle MySQL Server>=8.0.0<=8.0.45, >=8.4.0<=8.4.8, >=9.0.0<=9.6.0
Oracle MySQL Server>=8.0.0<=8.0.45
Oracle MySQL Server>=8.4.0<=8.4.8
Oracle MySQL Server>=9.0.0<=9.6.0
Microsoft azl3 mysql 8.0.45-2
Microsoft cbl2 mysql 8.0.45-3

Event History

Apr 21, 2026
CVE Published
via MITRE·08:35 PM
Data Sourced
via MITRE·08:35 PM
DescriptionSeverity
Data Sourced
via Red Hat·09:04 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·09:16 PM
DescriptionSeverityWeaknessAffected Software
Apr 23, 2026
Data Sourced
via Microsoft·08:02 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:02 AM
Affected Software
Updated
via Microsoft·08:02 AM
Severity

Frequently Asked Questions

1

What is the severity of CVE-2026-22002?

CVE-2026-22002 is classified as an easily exploitable vulnerability that can allow high privileged attackers to compromise MySQL Server.

2

How do I fix CVE-2026-22002?

To address CVE-2026-22002, upgrade Oracle MySQL Server to a version that is not affected, specifically 8.0.46 or higher, 8.4.9 or higher, or 9.6.1 or higher.

3

Which versions of MySQL Server are affected by CVE-2026-22002?

CVE-2026-22002 affects MySQL Server versions 8.0.0 to 8.0.45, 8.4.0 to 8.4.8, and 9.0.0 to 9.6.0.

4

Can CVE-2026-22002 be exploited remotely?

Yes, CVE-2026-22002 is easily exploitable by attackers with network access through multiple protocols.

5

What component of MySQL Server does CVE-2026-22002 impact?

CVE-2026-22002 impacts the Optimizer component of the MySQL Server product.

Contact

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