CVE-2026-83637: Windows Kernel-Mode Drivers Elevation of Privilege Vulnerability
Out-of-bounds read in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.
Other sources
Windows Kernel-Mode Drivers Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.3.9600.23470Patch KB5126836 - Upgrade
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Fixed in 10.0.14393.9612Patch KB5126868 - Upgrade
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Fixed in 6.2.9200.26434Patch KB5126835 - Upgrade
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Fixed in 10.0.19044.7807Patch KB5126657 - Upgrade
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Fixed in 10.0.22631.7652Patch KB5126653 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5761Patch KB5126655 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9376Patch KB5126651 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33650Patch KB5126646
Event History
Frequently Asked Questions
Who is exposed to this vulnerability?
Systems running any of the listed Microsoft Windows client or server products are in scope. Exploitation is local, so an attacker must already be able to execute code on the affected system as an authorized user.
What access does an attacker need to exploit it?
The attacker needs local access and low-level privileges on the target system. No user interaction is required.
What could successful exploitation allow?
Successful exploitation could allow elevation of privileges. The supplied severity vector indicates potential high impact to confidentiality, integrity, and availability.