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CVE-2026-46863

Published: Jun 16, 2026Updated: Jun 18, 2026 Sources: CVE List NVDCWE-400
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.5%
Top 63.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Connection Handling). Supported versions that are affected are MySQL Server: 8.4.0-8.4.9, 9.0.0-9.7.0; MySQL Cluster: 8.0.11-8.0.46, 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-400

Affected Products

MySQL ServerOracle Corporation
On-premDatabase
Databases / relational
MySQL ClusterOracle Corporation
On-premDatabase
Databases / relational
mysql clusteroracle
On-premDatabase
Databases / relational
mysql serveroracle
On-premDatabase
Databases / relational
oracle corporationcommercialUSDatabasesaka oracle
oraclecommercialUSDatabasesaka oracle corp.

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://www.oracle.com/security-alerts/cspujun2026.html
oracle.com

Timeline

Published
Jun 16, 2026
Last Updated
Jun 18, 2026

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