KB5122880：Windows 11 版本 23H2 安全更新（2026 年 9 月）

版本 1.6

Sep 22, 2026, 8:27 AM

CVSS metrics ("CVSSv2 score" set to 10.0)
CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C")
CVSS metrics ("CVSSv3 score" set to 9.8)
CVSS metrics ("CVSSv3 vector" set to "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H")
CVSSv2 score source (changed from "CVE-2026-77503" to "CVE-2026-72950")
CVSSv2 severity (based on CVE-2026-72950, severity increased from "Medium" to "High")