Microsoft Security Response Center guidance
Vendor revision: Sep 8, 2026Install KB5122876. Install KB5122882. Install KB5122871. Install KB5123099. Install KB5123065. Install KB5123066.
Vulnerability intelligence
CVE-2026-69415 and is rated Medium severity with a CVSS score of 6.8. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
Install KB5122876. Install KB5122882. Install KB5122871. Install KB5123099. Install KB5123065. Install KB5123066.
Missing authentication for critical function in Windows DHCP Server allows an authorized attacker to elevate privileges over a network.
Source: NVD