CVE-2026-48583
Undergoing Analysis Undergoing Analysis - In Progress
Use After Free in Windows Kernel Allows Local Privilege Escalation

Publication date: 2026-06-09

Last updated on: 2026-06-09

Assigner: Microsoft Corporation

Description
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
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Meta Information
Published
2026-06-09
Last Modified
2026-06-09
Generated
2026-06-10
AI Q&A
2026-06-09
EPSS Evaluated
N/A
NVD
CVE-2026-48583
EUVD
EUVD-2026-35527
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft windows_kernel *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-416 The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
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Executive Summary

This vulnerability is a use after free issue in the Windows Kernel. It allows an authorized attacker to elevate their privileges locally on the affected system.

Impact Analysis

The impact of this vulnerability is that an attacker with local access can elevate their privileges, potentially gaining higher-level permissions than intended. This can lead to full control over the affected system.

Mitigation Strategies

To mitigate this vulnerability, apply the security updates provided by Microsoft as soon as possible.

Since the vulnerability allows local privilege escalation via a use after free in the Windows Kernel, ensuring your system is fully patched will prevent exploitation.

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