Medium severity · published Oct 20, 2026
CVE-2026-101800
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Security: Privileges)
6.8
CVSS
0.3%
EPSS
No
On KEV
Description
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Security: Privileges). Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all MySQL Server, MySQL Cluster accessible data as well as unauthorized access to critical data or complete access to all MySQL Server, MySQL Cluster accessible data. CVSS 3.1 Base Score 6.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N).
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MC
MySQL Cluster · Oracle Corporation
8.0.0-8.0.49; 8.4.0-8.4.12; 9.7.0-9.7.3; 26.7.0-26.7.1 · source: vendor
MS
MySQL Server · Oracle Corporation
8.4.0-8.4.12; 9.7.0-9.7.3; 26.7.0-26.7.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-101800
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-101800
www.oracle.com
https://www.oracle.com/security-alerts/cpuoct2026.html
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