CVE-2026-88112: Windows Domain Name Service Remote Code Execution Vulnerability
Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a network.
Other sources
Windows Domain Name Service Remote Code Execution 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 10.0.19044.7807Patch KB5126657 - Upgrade
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Fixed in 10.0.28000.3231Patch KB5127646 - Upgrade
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Fixed in 6.3.9600.23470Patch KB5126836 - Upgrade
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Fixed in 10.0.26100.33650Patch KB5126646 - Upgrade
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Fixed in 10.0.22631.7652Patch KB5126653 - Upgrade
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Fixed in 10.0.26100.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9376Patch KB5126651 - Upgrade
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Fixed in 10.0.20348.5761Patch KB5126655 - Upgrade
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Fixed in 10.0.26300.9711Patch KB5127648
Event History
Frequently Asked Questions
Does exploitation require authentication or local access?
No privileges are required and the attack vector is network-based. The severity vector indicates that user interaction is required.
What is the potential impact of successful exploitation?
The severity vector rates confidentiality, integrity, and availability impact as high. Successful exploitation could therefore affect all three security properties.
Which products are identified as affected?
The affected software list includes Microsoft Windows 10, Windows 11, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2022, Windows Server 2025, and Microsoft Windows DNS Server.