CVE-2026-72942: Windows Spaceport.sys Information Disclosure Vulnerability
Out-of-bounds read in Windows Spaceport.sys allows an unauthorized attacker to disclose information over a network.
Other sources
Windows Spaceport.sys Information Disclosure 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 10.0.19044.7725Patch KB5122878 - 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 10.0.17763.9245Patch KB5122876 - Upgrade
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Fixed in 10.0.26100.33438Patch KB5122871 - Upgrade
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Fixed in 10.0.26100.9445Patch KB5124008 - Upgrade
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Fixed in 6.3.9600.23397Patch KB5123066 - Upgrade
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Fixed in 10.0.22631.7582Patch KB5122880 - Upgrade
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Fixed in 10.0.26200.9445Patch KB5124008 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19045.7725Patch KB5122878 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5622Patch KB5122882
Event History
Frequently Asked Questions
Does exploitation require an authenticated account or user interaction?
The CVSS vector indicates that no privileges are required, but user interaction is required. The attack vector is network-based and attack complexity is low.
What is the expected security impact if exploited?
The vulnerability is an out-of-bounds read that can disclose information. The CVSS metrics indicate high confidentiality impact, with no integrity or availability impact.
Which Windows versions are listed as affected?
The listed products are Microsoft Windows 10, Windows 11, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2025.