CVE-2026-69691: Windows Spaceport.sys Elevation of Privilege Vulnerability
Heap-based buffer overflow 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
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Fixed in 6.2.9200.26349Patch KB5123065 - Upgrade
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Fixed in 10.0.14393.9512Patch KB5123099 - Upgrade
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Fixed in 10.0.28000.2954Patch KB5124012 - Upgrade
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Fixed in 6.3.9600.23397Patch KB5123066 - Upgrade
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Fixed in 10.0.26100.9445Patch KB5124008 - Upgrade
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Fixed in 10.0.26100.33438Patch KB5122871 - Upgrade
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Fixed in 10.0.26200.9445Patch KB5124008 - Upgrade
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Fixed in 10.0.22631.7582Patch KB5122880 - Upgrade
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Fixed in 10.0.19045.7725Patch KB5122878 - Upgrade
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Fixed in 10.0.19044.7725Patch KB5122878 - Upgrade
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Fixed in 10.0.20348.5622Patch KB5122882 - Upgrade
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Fixed in 10.0.17763.9245Patch KB5122876
Event History
Frequently Asked Questions
Who is exposed to this vulnerability?
Systems running the listed Microsoft Windows client or server versions are affected. Exploitation is local, so the attacker must already be able to run code on the target system.
What level of access does an attacker need?
The attacker must be authorized and have low-level local privileges. No user interaction is required.
What could successful exploitation allow?
Successful exploitation can elevate the attacker's privileges and has high potential impact on confidentiality, integrity, and availability.