CVE-2026-69900: Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability
Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability
Other sources
Untrusted pointer dereference in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate privileges locally.
— 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 10.0.19044.7725Patch KB5122878 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.2954Patch KB5124012 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9445Patch KB5124008 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33438Patch KB5122871 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9445Patch KB5124008 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.7582Patch KB5122880 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19045.7725Patch KB5122878
Event History
Frequently Asked Questions
What level of access does an attacker need to exploit this issue?
The attacker must already be authorized to access the affected system and must exploit the issue locally. The provided data does not indicate that remote exploitation or user interaction is required.
Which systems are identified as affected?
The listed affected software is Microsoft Windows 10, Microsoft Windows 11, and Microsoft Windows Server 2025.
What is the potential impact of successful exploitation?
Successful exploitation can allow a local authorized attacker to elevate privileges. The supplied severity vector indicates high impact to confidentiality, integrity, and availability.