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CVE-2026-47040

CRITICAL

9.1

CVSS 3.1

Metadata

CVE ID: CVE-2026-47040
State: PUBLISHED
Assigner: oracle
Reserved: 2026-05-18 15:55 UTC
Published: 2026-07-21 21:33 UTC
Last updated: 2026-07-21 21:33 UTC
Vendor / Product: Oracle Corporation / Oracle Net Services
Sources: cve.org · NVD

Severity & Metrics

9.1 CRITICAL CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected products (1)

Vendor	Product	Platform	Versions
Oracle Corporation	Oracle Net Services	—	19.3 ≤ 19.31, 21.3 ≤ 21.22, 23.4.0 ≤ 23.26.2

Weakness (CWE)

CWE	Source	Description
—	cna	Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Net Services. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Net Services accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services.

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.1	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

References (1)

Oracle Advisory https://www.oracle.com/security-alerts/cpujul2026.html

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