CVE-2026-62798
Received Received - Intake

Untrusted Pointer Dereference in Windows Win32K

Publication date: 2026-08-11

Last updated on: 2026-08-11

Assigner: Microsoft Corporation

Description
Untrusted pointer dereference in Windows Win32K allows an authorized attacker to disclose information 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-2026-62798
EUVD
EUVD-2026-56387

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-822 The product obtains a value from an untrusted source, converts this value to a pointer, and dereferences the resulting pointer.

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Executive Summary

This vulnerability is an untrusted pointer dereference in Windows Win32K. It allows an authorized attacker to disclose information locally by exploiting improper handling of memory pointers.

Impact Analysis

An attacker could exploit this to read sensitive information from your system. Since it requires local access and authorization, it primarily affects users with existing system access.

Compliance Impact

This vulnerability could lead to unauthorized information disclosure, potentially violating GDPR (data protection) or HIPAA (health data privacy) if sensitive data is exposed.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Win32K vulnerability. Monitor Microsoft's security advisories for updates and ensure all systems are updated promptly.

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