CVE-2026-45657

CVSS Score & Metrics

Base Score

9.8 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H                                    

Use after free in Windows Kernel allows an unauthorized attacker to execute code over a network.

Published Date

June 09, 2026

Last Modified

June 10, 2026

CWE ID

CWE-122

Source

NVD

Vendor

microsoft

Product

windows_11_23h2