CVE-2025-9578

Local · Local Multiple Products

**A high-severity local privilege escalation vulnerability caused by insecure folder permissions could allow an attacker with standard user access to gain full administrative control of the affected s.

Executive summary

A high-severity local privilege escalation vulnerability caused by insecure folder permissions could allow an attacker with standard user access to gain full administrative control of the affected system.

Vulnerability

The vulnerability is a local privilege escalation due to insecure folder permissions. This means a folder, likely containing executable files or configuration data, is writable by low-privileged users. An attacker with local access can replace a legitimate file in this folder with a malicious one, which is then executed by a higher-privileged process or user.

Business impact

Rated 7.8 (High) on the CVSS scale, this vulnerability is a serious threat to system integrity. An attacker who has already gained initial low-privileged access (e.g., through phishing) can exploit this flaw to escalate their privileges to Administrator or SYSTEM/root. This would grant them complete control over the host machine, allowing for data exfiltration, installation of persistent malware, or disabling of security controls.

Remediation

Immediate Action: Apply the vendor-supplied security patch immediately to correct the insecure folder permissions.

Proactive Monitoring: Audit file system permissions on critical system and application directories for excessive write permissions granted to non-administrative users. Monitor for unexpected file modifications in key application folders.

Compensating Controls: Implement application control or whitelisting solutions to prevent the execution of unauthorized files. Enforce the principle of least privilege for all user accounts and services.

Exploitation status

Public Exploit Available: false

Analyst recommendation

This is a critical vulnerability for endpoint and server security. The ability for a standard user to become an administrator undermines all other security controls on a system. Administrators must prioritize the deployment of the patch to prevent this escalation path.