CVE-2026-108127: 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 10.0.28000.3231Patch KB5127646 - Upgrade
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Fixed in 10.0.26200.9711Patch KB5127648 - Upgrade
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Fixed in 10.0.26100.33650Patch KB5126646 - 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 10.0.26300.9711Patch 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 10.0.22631.7652Patch KB5126653 - Upgrade
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Fixed in 10.0.20348.5761Patch KB5126655 - Upgrade
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Fixed in 10.0.14393.9612Patch KB5126868 - 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 should be prioritized for assessment?
Prioritize Microsoft Windows systems from the listed Windows 10, Windows 11, and Windows Server 2012 through Windows Server 2025 products that are operating in the DNS Server role.
What does an attacker need to exploit this issue?
The attacker needs authorized access (low privileges) and network reachability to the DNS Server. No user interaction is required.
What is the expected security impact?
The vulnerability can disclose information, with high confidentiality impact. The supplied assessment indicates no integrity or availability impact.