CVE-2026-71063

criticalpriority · track · 0EPSS 0.004 · 33 %ileDENLUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.40% (33rd) EPSS

CVSS 9.6 · critical

Is it mine?

10 products

Check your exposure

Who says so?

3 sources

cert_bund · ncsc_nl · nvd

EPSS · scored 2026-10-22

Vulnerability in the Portable Clusterware component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Portable Clusterware executes to compromise Portable Clusterware. While the vulnerability is in Portable Clusterware, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Portable Clusterware. CVSS 3.1 Base Score 9.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).

cvss

Technical severity, 0–10. One row per scoring source.

9.6

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.8–9.6

v3.19.6criticalCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · secalert_us@oracle.com USexploitability 2.8 · impact 6

v3.18.8highCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.19.6criticalCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · NCSC-NL NL

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284US

affected products (10)

Products and version ranges known to be affected.

Oracle Database Server 19.3-19.32all versionscert_bundDEcpe:/a:oracle:database_server:19.3-19.32
Oracle Database Server 21.3-21.23all versionscert_bundDEcpe:/a:oracle:database_server:21.3-21.23
Oracle Database Server 23.4.0-23.26.3all versionscert_bundDEcpe:/a:oracle:database_server:23.4.0-23.26.3
Oracle Database Server≤ vers:unknown/*ncsc_nlNL
Oracle Corporation Oracle Application Testing Suite≤ vers:unknown/*ncsc_nlNL
Oracle Corporation Oracle Autonomous Health Framework≤ vers:unknown/*ncsc_nlNL
Oracle Corporation Oracle Essbase≤ vers:unknown/*ncsc_nlNL
oracle database server19.3 → 19.32nvdUScpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:*
oracle database server21.3 → 21.23nvdUScpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:*
oracle database server23.4.0 → 23.26.3nvdUScpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

NCSC-2026-0307Kwetsbaarheden verholpen in Oracle Database ProductenNL2026-08-19csaf · ncsc_nlNL
Oracle heeft kwetsbaarheden verholpen in diverse Database producten als de Database Server, Essbase, Autonomous Health Framework en de Application Testing Suite
WID-SEC-W-2026-2889Oracle Database Server: Mehrere SchwachstellenDeutsch2026-08-18csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle Database Server ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.

sources

Which sources assert this record, and when.

cert_bund ncsc_nl nvd NVD CVE.org MITRE

published 2026-08-18modified 2026-10-22

references (1) nvd

External citations — patches, advisories, analysis.

https://www.oracle.com/security-alerts/cspuaug2026.htmlVendor Advisory

scry

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