CVE-2026-96926: Role: DNS Server Tampering Vulnerability
Missing authorization in DNS Server allows an authorized attacker to perform tampering locally.
Other sources
Role: DNS Server Tampering 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 10.0.14393.9612Patch 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 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 6.3.9600.23470Patch KB5126836 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.2.9200.26434Patch KB5126835
Event History
Frequently Asked Questions
Who can exploit this issue?
An attacker must already be authorized on the affected system and have local access. The provided vector indicates low privileges are required and no user interaction is needed.
What is the expected impact of a successful exploit?
The reported impact is limited to integrity: an attacker could tamper with DNS Server-related data or behavior. No confidentiality or availability impact is indicated by the supplied severity vector.
Which systems should be reviewed?
Review DNS Server deployments on the listed Microsoft Windows products: Windows 10; Windows Server 2012, 2012 R2, 2016, 2019, 2022, and 2025.