CVE-2026-70283
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Incorrect Authorization in Windows Win32K Elevates Privileges
Vulnerability report for CVE-2026-70283, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-09-08
Last updated on: 2026-09-09
Assigner: Microsoft Corporation
Description
Description
Incorrect authorization in Windows Win32K allows an authorized attacker to elevate privileges locally.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | windows | *-* |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-863 | The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. |
