CVE-2026-69929: Windows DHCP Server Information Disclosure Vulnerability
Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to disclose information over a network.
Other sources
Windows DHCP 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 10.0.14393.9512Patch KB5123099 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.2.9200.26349Patch KB5123065 - Upgrade
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Fixed in 10.0.17763.9245Patch KB5122876 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
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 6.3.9600.23397Patch KB5123066
Event History
Frequently Asked Questions
Which systems are exposed to this issue?
The affected products listed are Microsoft Windows 10 and Windows Server 2012, 2012 R2, 2016, 2019, 2022, and 2025. Exposure is relevant where the Windows DHCP Server is present and reachable over the network.
Does exploitation require authentication or user interaction?
No. The supplied vector indicates no privileges and no user interaction are required, although exploitation has high attack complexity.
What is the likely impact of successful exploitation?
Successful exploitation can disclose information. The provided impact metrics indicate high confidentiality impact, with no integrity or availability impact.