CVE-2026-62574
Summary
by MITRE • 07/22/2026
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Install). Supported versions that are affected are Oracle Java SE: 8u491, 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 low privileged attacker with logon to the infrastructure where Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition executes to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in takeover of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. CVSS 3.1 Base Score 7.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 07/22/2026
This vulnerability resides within the installation component of Oracle Java SE and related GraalVM products, representing a critical security weakness that enables local privilege escalation attacks. The flaw affects multiple versions including Java SE 8u491, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1, along with specific GraalVM releases for JDK and Enterprise Edition. The vulnerability's classification as easily exploitable indicates that attackers with minimal privileges can leverage this weakness to gain full control over the affected systems. According to CVSS 3.1 scoring system, this represents a high-severity issue with a base score of 7.8, reflecting significant impacts across confidentiality, integrity, and availability domains.
The technical nature of this vulnerability stems from improper access controls or privilege management during the installation process of Oracle Java SE and GraalVM implementations. Attackers who already possess login credentials to the target infrastructure can exploit this weakness to escalate their privileges and ultimately compromise the entire Java runtime environment. The attack vector is classified as local (AV:L) meaning the attacker must have access to the system where the software executes, while the low access complexity (AC:L) and low privilege requirements (PR:L) make exploitation straightforward. This vulnerability operates under the ATT&CK framework category of Privilege Escalation with potential for Persistence and Defense Evasion capabilities.
The operational impact of successful exploitation can be devastating for organizations relying on Oracle Java SE and GraalVM implementations. Complete system compromise allows attackers to execute arbitrary code, access sensitive data, modify system configurations, and potentially establish persistent backdoors within the infrastructure. The confidentiality impact is high as attackers gain access to all data processed by the compromised Java environment, while integrity and availability impacts are equally severe since attackers can corrupt system files, disrupt services, or deny legitimate access to critical applications. Organizations using these vulnerable versions face significant risk of data breaches, service disruptions, and potential regulatory compliance violations.
Mitigation strategies should focus on immediate patching of all affected versions through Oracle's official security updates. System administrators must ensure that all Java installations are updated to the latest supported releases, particularly since the vulnerability affects multiple major version lines including 8, 11, 17, 21, and 25. Additional protective measures include implementing strict access controls, monitoring system logs for unauthorized installation activities, and conducting regular vulnerability assessments of Java runtime environments. Organizations should also consider network segmentation to limit lateral movement capabilities if exploitation occurs, while maintaining detailed audit trails of all installation and modification activities. The vulnerability aligns with CWE-276 (Incorrect Default Permissions) and CWE-732 (Incorrect Permission Assignment for Critical Resource) categories, emphasizing the fundamental flaws in permission management during software installation processes.
Security teams should prioritize immediate assessment of their Java SE and GraalVM deployments to identify all affected systems and implement layered defense mechanisms. The combination of timely patching with enhanced monitoring and access controls provides the most effective protection against this class of vulnerabilities. Organizations must also review their incident response procedures to ensure readiness for potential exploitation scenarios involving Java runtime environments, given the high impact potential of such compromises. Regular security training for system administrators regarding proper privilege management and secure installation practices remains crucial in preventing successful exploitation attempts.