CVE-2026-48566
Medium
Description
Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Microsoft Windows
PublishedJun 9, 2026
First seenJun 9, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Update
- microsoft windows_11_24h210.0.26100.8390 or later
- microsoft windows_11_25h210.0.26200.8390 or later
- microsoft windows_11_26h110.0.28000.2113 or later
- microsoft windows_server_202510.0.26100.32772 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft windows_11_24h2 | v < 10.0.26100.8390 | 10.0.26100.8390 |
| microsoft windows_11_25h2 | v < 10.0.26200.8390 | 10.0.26200.8390 |
| microsoft windows_11_26h1 | v < 10.0.28000.2113 | 10.0.28000.2113 |
| microsoft windows_server_2025 | v < 10.0.26100.32772 | 10.0.26100.32772 |
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