Home

Description

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

PUBLISHED Reserved 2026-06-05 | Published 2026-07-14 | Updated 2026-07-14 | Assigner microsoft




HIGH: 8.0CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Problem types

CWE-122: Heap-based Buffer Overflow

Product status

10.0.14393.0 (custom) before 10.0.14393.9339
affected

10.0.17763.0 (custom) before 10.0.17763.9020
affected

6.2.9200.0 (custom) before 6.2.9200.26226
affected

6.2.9200.0 (custom) before 6.2.9200.26226
affected

6.3.9600.0 (custom) before 6.3.9600.23291
affected

6.3.9600.0 (custom) before 6.3.9600.23291
affected

10.0.14393.0 (custom) before 10.0.14393.9339
affected

10.0.14393.0 (custom) before 10.0.14393.9339
affected

10.0.17763.0 (custom) before 10.0.17763.9020
affected

10.0.17763.0 (custom) before 10.0.17763.9020
affected

10.0.20348.0 (custom) before 10.0.20348.5386
affected

10.0.26100.0 (custom) before 10.0.26100.33158
affected

10.0.26100.0 (custom) before 10.0.26100.33158
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50683 (Windows DHCP Client Elevation of Privilege Vulnerability) vendor-advisory patch

cve.org (CVE-2026-50683)

nvd.nist.gov (CVE-2026-50683)

Download JSON