CVE-2026-62798 - Vulnerability Details - OpenCVE

Untrusted pointer dereference in Windows Win32K allows an authorized attacker to disclose information locally.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Microsoft	Windows 11 23h2 Windows 11 24h2 Windows 11 25h2 Windows 11 26h1 Windows Server 2025

No data.

No data.

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62798

History

Tue, 11 Aug 2026 21:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 11 Aug 2026 17:15:00 +0000

Type	Values Removed	Values Added
Description		Untrusted pointer dereference in Windows Win32K allows an authorized attacker to disclose information locally.
Title		Win32k Information Disclosure Vulnerability
First Time appeared		Microsoft Microsoft windows 11 23h2 Microsoft windows 11 24h2 Microsoft windows 11 25h2 Microsoft windows 11 26h1 Microsoft windows Server 2025
Weaknesses		CWE-822
CPEs		cpe:2.3:o:microsoft:windows_11_23H2:::::::arm64:* cpe:2.3:o:microsoft:windows_11_23H2:::::::x64:* cpe:2.3:o:microsoft:windows_11_24H2:::::::arm64:* cpe:2.3:o:microsoft:windows_11_25H2:::::::arm64:* cpe:2.3:o:microsoft:windows_11_26H1:::::::x64:* cpe:2.3:o:microsoft:windows_server_2025::::::::
Vendors & Products		Microsoft Microsoft windows 11 23h2 Microsoft windows 11 24h2 Microsoft windows 11 25h2 Microsoft windows 11 26h1 Microsoft windows Server 2025
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62798
Metrics		cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-08-11T17:04:26.976Z

Updated: 2026-08-11T23:58:35.586Z

Reserved: 2026-07-14T21:08:07.965Z

Link: CVE-2026-62798

Vulnrichment

Updated: 2026-08-11T20:38:26.770Z

NVD

Status : Undergoing Analysis

Published: 2026-08-11T17:18:34.040

Modified: 2026-08-11T21:17:41.523

Link: CVE-2026-62798

Redhat

No data.

OpenCVE Enrichment

No data.

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