CVE-2026-70569: Windows Spaceport.sys Elevation of Privilege Vulnerability
Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.
Other sources
Windows Spaceport.sys 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 10.0.26100.9445Patch KB5124008 - 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 10.0.26100.33438Patch KB5122871 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5622Patch KB5122882 - 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 10.0.26200.9445Patch KB5124008
Event History
Frequently Asked Questions
Who can exploit this vulnerability?
An attacker must already be authorized on the affected system and have local access. The issue is therefore most relevant where untrusted or lower-privileged users can log on or execute code locally.
What impact could successful exploitation have?
Successful exploitation can elevate the attacker’s privileges. The provided severity vector indicates high confidentiality, integrity, and availability impact.
Which systems are identified as affected?
The listed affected software is Microsoft Windows 11, Microsoft Windows Server 2025, and Microsoft Windows Server 2022.