How severe is CVE-2026-47040?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Oracle Corporation Net Services

CVE-2026-47040

Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 19.3-19.31, 21.3-21.22 and 23.4.0-23.26.2. Easily exploitable vulnerability allows unauthenticated attacker with netwo…

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Oracle Corporation Net Services — versions 19.3, 21.3, 23.4.0

References

secalert_us@oracle.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-47040?: CVE-2026-47040 is a critical-severity vulnerability in Oracle Corporation Net Services. CVSS score: 9.1/10. Published 2026-07-21.
How severe is CVE-2026-47040?: Critical severity. CVSS v3 base score is 9.1 out of 10.