CVE-2026-62733
Received Received - Intake

Out-of-bounds Read in Windows Win32K

Publication date: 2026-08-11

Last updated on: 2026-08-11

Assigner: Microsoft Corporation

Description
Out-of-bounds read in Windows Win32K allows an authorized attacker to elevate privileges locally.

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Meta Information

Published
2026-08-11
Last Modified
2026-08-11
Generated
2026-08-11
AI Q&A
2026-08-11
EPSS Evaluated
N/A
NVD
CVE-2026-62733
EUVD
EUVD-2026-56642

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
microsoft windows *-*

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-125 The product reads data past the end, or before the beginning, of the intended buffer.

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Executive Summary

This is an out-of-bounds read vulnerability in Windows Win32K, a core component of the Windows operating system. An authorized attacker can exploit this flaw to read memory outside the intended bounds, potentially allowing them to elevate their privileges on the system.

Impact Analysis

If exploited, this vulnerability could allow an attacker with local access to gain higher privileges on your system. This might enable them to install programs, view or delete data, or create new accounts with full user rights.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the out-of-bounds read vulnerability in Win32K. Monitor Microsoft's update guide for patches and install them promptly.

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