CVE-2026-69847 — Heap-based buffer overflow in Windows DHCP Server allows an authorized attacker to execute code over an adjacent network

Summary

Heap-based buffer overflow in Windows DHCP Server allows an authorized attacker to execute code over an adjacent network.

Assessment

• CVE: CVE-2026-69847
• CVSS base score: 8
• Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
• Source: NVD record

References

• msrc.microsoft.com

Action

• Verify affected systems against your inventory
• Apply the vendor patch during a maintenance window
• Restrict access at the network layer until patched