CVE-2026-83939
High
Description
Untrusted pointer dereference in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
SeverityHigh
CVSS8.2
Exploit probability—
Product
Microsoft Windows
PublishedSep 8, 2026
First seenSep 8, 2026
Weakness typeCWE-822CWE-822
How to fix
Update
- microsoft windows_11_26h110.0.28000.2954 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft windows_11_26h1 | v < 10.0.28000.2954 | 10.0.28000.2954 |
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