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VULNERABILITIES

CVE-2026-47027 Details

Description

Vulnerability in Oracle Java SE (component: Libraries). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and 21.0.11; Oracle GraalVM Enterprise Edition: 21.3.18. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.oracle.com/security-alerts/cpujul2026.html [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-284Improper Access ControlCISA-ADP

Affected Products

ProductVersions
oracle graalvm
21.3.18

CPE

  • cpe:2.3:a:oracle:graalvm:21.3.18:*:*:*:enterprise:*:*:*

Remediation

  • No remediation found in references.
oracle graalvm for jdk
17.0.19
21.0.11

CPE

  • cpe:2.3:a:oracle:graalvm_for_jdk:17.0.19:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:graalvm_for_jdk:21.0.11:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
oracle jre
1.8.0 update491
11.0.31
17.0.19
21.0.11
25.0.3

CPE

  • cpe:2.3:a:oracle:jre:1.8.0:update491:*:*:-:*:*:*
  • cpe:2.3:a:oracle:jre:1.8.0:update491:*:*:enterprise_performance_pack:*:*:*
  • cpe:2.3:a:oracle:jre:11.0.31:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:jre:17.0.19:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:jre:21.0.11:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:jre:25.0.3:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:jre:26.0.1:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
oracle jdk
1.8.0 update491
11.0.31
17.0.19
21.0.11
25.0.3

CPE

  • cpe:2.3:a:oracle:jdk:1.8.0:update491:*:*:-:*:*:*
  • cpe:2.3:a:oracle:jdk:1.8.0:update491:*:*:enterprise_performance_pack:*:*:*
  • cpe:2.3:a:oracle:jdk:11.0.31:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:jdk:17.0.19:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:jdk:21.0.11:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:jdk:25.0.3:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:jdk:26.0.1:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-47027
NVD Published Date:
Jul 21, 2026
NVD Last Modified:
Aug 3, 2026
Source:
[email protected]
CVE-2026-47027 Details - Not Deferred