CVE-2026-96113: Windows Domain Name Service Remote Code Execution Vulnerability
Heap-based buffer overflow 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
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.2.9200.26434Patch KB5126835 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9376Patch KB5126651 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5761Patch KB5126655 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.14393.9612Patch KB5126868 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33650Patch KB5126646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.3.9600.23470Patch KB5126836
Event History
Frequently Asked Questions
What access does an attacker need to exploit this issue?
An attacker can exploit it remotely over the network without authorization. No user interaction is required.
What could successful exploitation allow?
Successful exploitation could allow remote code execution on the affected DNS Server, with high impact to confidentiality, integrity, and availability.