CVE-2026-69429: Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows IKE Extension allows an authorized attacker to execute code over a network.
Other sources
Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution 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 10.0.19045.7725Patch KB5122878 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.2954Patch KB5124012 - 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 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 - 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 10.0.17763.9245Patch KB5122876 - 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
What level of access does an attacker need?
The attacker must be authorized and have low privileges. Exploitation is performed over the network and does not require user interaction.
Is exploitation expected to be straightforward?
No. The vulnerability has a high attack-complexity rating, indicating that exploitation requires conditions beyond simply reaching a vulnerable system over the network.
Which Windows releases are listed as affected?
The affected software list includes Microsoft Windows 10, Windows 11, Windows Server 2019, Windows Server 2022, and Windows Server 2025.