CVE-2026-69680: Windows DNS Spoofing Vulnerability
Origin validation error in Windows DNS allows an unauthorized attacker to perform spoofing over a network.
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 6.3.9600.23397Patch KB5123066 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.2.9200.26349Patch KB5123065 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.14393.9512Patch KB5123099 - Upgrade
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Fixed in 10.0.20348.5622Patch KB5122882 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33438Patch KB5122871 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9245Patch KB5122876
Event History
Frequently Asked Questions
Which Windows systems are listed as affected?
The affected software list includes Microsoft Windows 10 and Windows Server 2012, 2012 R2, 2016, 2019, 2022, and 2025.
Does exploitation require credentials or user interaction?
No. The vector indicates network-based exploitation with no privileges required and no user interaction.
How difficult is exploitation expected to be?
The attack complexity is rated High, indicating that successful exploitation requires conditions beyond simply reaching the target over the network.
What security impact is indicated if exploitation succeeds?
The vulnerability is rated High for confidentiality, integrity, and availability impact, with scope unchanged.