High severity · published Jul 21, 2026
CVE-2026-47046
Vulnerability in the RDBMS component of Oracle Database Server
8.2
CVSS
0.4%
EPSS
No
On KEV
Description
Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of RDBMS as well as unauthorized update, insert or delete access to some of RDBMS accessible data. CVSS 3.1 Base Score 8.2 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 35% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OD
Oracle Database Server · Oracle Corporation
23.4.0 through 23.26.2 · source: vendor
DS
Database Server · Oracle
23.4 through 23.26.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-47046
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-47046
Vendor Advisory
https://www.oracle.com/security-alerts/cpujul2026.html
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