CVE-2026-108128: Role: DNS Server Information Disclosure Vulnerability
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Other sources
Role: DNS Server Information Disclosure 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 10.0.19044.7807Patch KB5126657 - Upgrade
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Fixed in 10.0.17763.9376Patch KB5126651 - Upgrade
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Fixed in 10.0.26200.9711Patch KB5127648 - Upgrade
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Fixed in 10.0.28000.3231Patch KB5127646 - Upgrade
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Fixed in 10.0.20348.5761Patch KB5126655 - Upgrade
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Fixed in 10.0.26100.33650Patch KB5126646 - 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
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.7652Patch KB5126653 - Upgrade
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Fixed in 6.3.9600.23470Patch KB5126836 - Upgrade
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Fixed in 6.2.9200.26434Patch KB5126835
Event History
Frequently Asked Questions
Which systems are exposed to this issue?
The issue affects the DNS Server role on the listed Windows Server versions. Windows 10 and Windows 11 are also listed, but the provided information does not specify the configuration or feature that makes those client systems affected.
What access does an attacker need?
An attacker must already be authorized and can exploit the issue over the network. No user interaction is required, and the attack complexity is rated low.
What is the likely impact of successful exploitation?
Successful exploitation can disclose information. The provided severity vector indicates high confidentiality impact, with no stated integrity or availability impact.