Home

Description

Heap-based buffer overflow in Windows Kernel allows an authorized attacker to execute code over a network.

PUBLISHED Reserved 2025-06-09 | Published 2025-07-08 | Updated 2026-02-13 | Assigner microsoft




HIGH: 7.2CVSS:3.1/AV:N/AC:L/PR:H/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 10.0.14393.8246
affected

10.0.14393.0 (custom) before 10.0.14393.8246
affected

10.0.17763.0 (custom) before 10.0.17763.7558
affected

10.0.17763.0 (custom) before 10.0.17763.7558
affected

10.0.20348.0 (custom) before 10.0.20348.3932
affected

10.0.25398.0 (custom) before 10.0.25398.1732
affected

10.0.26100.0 (custom) before 10.0.26100.4652
affected

10.0.26100.0 (custom) before 10.0.26100.4652
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49666 (Windows Server Setup and Boot Event Collection Remote Code Execution Vulnerability) vendor-advisory patch

cve.org (CVE-2025-49666)

nvd.nist.gov (CVE-2025-49666)

Download JSON