CVE-2026-58820

Google · Android

A memory safety issue due to integer overflow in Android allows for local escalation of privilege.

Executive summary

A critical integer overflow vulnerability in Google Android allows a local attacker to escalate privileges and gain unauthorized control over the device.

Vulnerability

The vulnerability stems from an integer overflow occurring in multiple locations within the Android codebase. An attacker with low-level local privileges can trigger this flaw to achieve full escalation of privilege, bypassing standard security controls.

Business impact

This vulnerability poses a significant risk to organizational security, as it allows a local attacker to gain elevated control over mobile devices. A successful exploit could lead to the compromise of sensitive corporate data, unauthorized access to user applications, and potential full system takeover. With a CVSS score of 7.8, the vulnerability is classified as High, reflecting the severe impact on confidentiality, integrity, and availability.

Remediation

Immediate Action: Users and administrators should monitor the official Android Security Bulletin for the release of security patches and apply them as soon as they become available for their specific devices.

Proactive Monitoring: Security teams should monitor device logs for unusual system behavior or unauthorized privilege escalation attempts that may indicate exploitation.

Compensating Controls: Ensure that Mobile Device Management (MDM) policies are strictly enforced to restrict physical access to devices and mitigate the impact of unauthorized local access.

Exploitation status

Public Exploit Available: Unknown.

Analyst recommendation

This vulnerability represents a high-risk scenario for any organization deploying Google Android devices. Administrators must prioritize the deployment of upcoming security updates to mitigate the risk of local privilege escalation. Regularly auditing device configurations and maintaining current firmware versions are essential steps in reducing the attack surface.

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History

CVE Brief tracked this CVE 1 day before it had a CVSS score.

  1. Disclosed CVE record published
  2. Collected by CVE Brief No CVSS score yet; tracked as early warning
  3. CVSS score assigned 7.8 (3.1)
  4. Analyst report written

Sources