Advisoriesby IbisMicrosoftCVE-2026-83637
Microsoft Windows Kernel-Mode Drivers: out-of-bounds read
Fix: upgrade to 10.0.14393.9612 or later (7 fixed versions below)
Out-of-bounds read in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Windows 10 Version 1607 Product | >= 10.0.14393.0, < 10.0.14393.9612 | 10.0.14393.9612 |
| Windows 10 Version 1809 Product | >= 10.0.17763.0, < 10.0.17763.9376 | 10.0.17763.9376 |
| Windows 10 Version 21H2 Product | >= 10.0.19044.0, < 10.0.19044.7807 | 10.0.19044.7807 |
| Windows 10 Version 22H2 Product | >= 10.0.19045.0, < 10.0.19045.7807 | 10.0.19045.7807 |
| Windows 11 Version 23H2 Product | >= 10.0.22631.0, < 10.0.22631.7652 | 10.0.22631.7652 |
| Windows 11 version 23H2 Product | >= 10.0.22631.0, < 10.0.22631.7652 | 10.0.22631.7652 |
| Windows Server 2012 Product | >= 6.2.9200.0, < 6.2.9200.26434 | 6.2.9200.26434 |
| Windows Server 2012 (Server Core installation) Product | >= 6.2.9200.0, < 6.2.9200.26434 | 6.2.9200.26434 |
| Windows Server 2012 R2 Product | >= 6.3.9600.0, < 6.3.9600.23470 | 6.3.9600.23470 |
| Windows Server 2012 R2 (Server Core installation) Product | >= 6.3.9600.0, < 6.3.9600.23470 | 6.3.9600.23470 |
| Windows Server 2016 Product | >= 10.0.14393.0, < 10.0.14393.9612 | 10.0.14393.9612 |
| Windows Server 2016 (Server Core installation) Product | >= 10.0.14393.0, < 10.0.14393.9612 | 10.0.14393.9612 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-125