Severity:

HIGH RISK

(7.8)

Privilege Escalation via Unsafe IOCTL Handling (CWE-269) in DirectIo64.sys Driver

CVE-2025-52347

Published:

May 1, 2026

Status:

Received

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Vulnerability Type

Vulnerability Type

Category:

Privilege Escalation via Insecure Kernel Driver Interface

CWE:

CWE-20;CWE-269

Impact:

Local Privilege Escalation to Kernel/System Level

Severity:

HIGH RISK

(7.8)

CVSS Version:

3.1

Vulnerability Type

Category:

Privilege Escalation via Insecure Kernel Driver Interface

CWE:

CWE-20;CWE-269

Impact:

Local Privilege Escalation to Kernel/System Level

Severity:

HIGH RISK

(7.8)

CVSS Version:

3.1

Catch This CVE While Code Is Being Written

Detect vulnerable code directly in pull requests, so CVEs are fixed before merge.