High severity · published Jul 21, 2026
CVE-2026-47063
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Libraries)
7.5
CVSS
0.3%
EPSS
No
On KEV
Description
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of 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, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. 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 7.5 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OG
Oracle GraalVM Enterprise Edition · Oracle Corporation
21.3.18 · source: vendor
OG
Oracle GraalVM for JDK · Oracle Corporation
17.0.19; 21.0.11 · source: vendor
OJ
Oracle Java SE · Oracle Corporation
8u491; 8u491-perf; 11.0.31; 17.0.19; 21.0.11; 25.0.3; +1 more · source: vendor
GR
Graalvm · Oracle
21.3.18 · source: NVD
GF
Graalvm For Jdk · Oracle
17.0.19; 21.0.11 · source: NVD
JD
Jdk · Oracle
1.8.0; 1.8.0; 11.0.31; 17.0.19; 21.0.11; 25.0.3; +1 more · source: NVD
JR
Jre · Oracle
1.8.0; 1.8.0; 11.0.31; 17.0.19; 21.0.11; 25.0.3; +1 more · source: NVD
Affected product
OG
Oracle GraalVM Enterprise Edition
Oracle Corporation
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-47063
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-47063
Vendor Advisory
https://www.oracle.com/security-alerts/cpujul2026.html
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