CVE-2026-83682: Windows TCP/IP Elevation of Privilege Vulnerability
Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
Other sources
Windows TCP/IP Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
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Fixed in 10.0.14393.9612Patch KB5126868 - Upgrade
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Fixed in 10.0.26300.9711Patch KB5127648 - Upgrade
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Fixed in 6.2.9200.26434Patch KB5126835 - Upgrade
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Fixed in 10.0.26100.33650Patch KB5126646 - Upgrade
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Fixed in 6.3.9600.23470Patch KB5126836 - Upgrade
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Fixed in 10.0.28000.3231Patch KB5127646 - Upgrade
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Fixed in 10.0.26100.9711Patch KB5127648 - Upgrade
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Fixed in 10.0.22631.7652Patch KB5126653 - Upgrade
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Fixed in 10.0.19044.7807Patch KB5126657 - Upgrade
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Fixed in 10.0.26200.9711Patch KB5127648 - Upgrade
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Fixed in 10.0.20348.5761Patch KB5126655 - Upgrade
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Fixed in 10.0.17763.9376Patch KB5126651
Event History
Frequently Asked Questions
Is this exploitable remotely?
The provided vector identifies local attack access (AV:L). An attacker would need access to the affected Windows system rather than only network reachability.
What level of access does an attacker need before exploitation?
The vector indicates low privileges are required (PR:L), and the description characterizes the attacker as authorized. No user interaction is required (UI:N).
Which Windows platforms are in scope?
The listed software includes Windows 10, Windows 11, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2025.