cve-2026-69803

CVE-2026-69803 is an Important-rated Windows DHCP Server information disclosure vulnerability addressed in Microsoft's September 24, 2026 security release. According to the tagged coverage, the flaw is an out-of-bounds read in Windows DHCP Server that can expose server memory to a network-based attacker, and it carries a CVSS base score of 5.9. Affected systems span multiple supported Windows 10 and Windows Server releases, including Server Core installations. Microsoft rates exploitation as unlikely, but administrators should install the matching KB update and verify the fixed build listed in the advisory to close the exposure on DHCP servers.