CVE-2026-62813: Windows Active Directory Domain Services Remote Code Execution Vulnerability
Use after free in Active Directory Domain Services allows an authorized attacker to execute code over a network.
Other sources
Windows Active Directory Domain Services Remote Code Execution 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 6.3.9600.23397Patch KB5123066 - Upgrade
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Fixed in 10.0.28000.2954Patch KB5124012 - Upgrade
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Fixed in 10.0.14393.9512Patch KB5123099 - 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
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Fixed in 10.0.26200.9445Patch KB5124008 - 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 10.0.17763.9245Patch KB5122876 - Upgrade
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Fixed in 10.0.20348.5622Patch KB5122882
Event History
Frequently Asked Questions
What level of access does an attacker need to exploit this issue?
The attacker must already be authorized and have low privileges. Exploitation can be performed over the network and does not require user interaction.
Which systems should be prioritized for assessment?
Prioritize systems running Active Directory Domain Services on the listed Microsoft Windows versions, especially domain controllers that are reachable over the network by low-privileged authorized users.
What is the potential impact if exploitation succeeds?
Successful exploitation can allow code execution and may affect confidentiality, integrity, and availability at a high level.