微软称正优化Windows 11 26H2的内存占用

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微软称正优化Windows 11 26H2的内存占用

MCUXpresso SDK：多核示例的安全接口未充分验证地址和长度

11月7日公开的漏洞记录CVE-2026-118786涉及MCUXpresso SDK。恩智浦开发套件中的一项多核运行示例允许非安全域调用部分安全域接口。传入的指针和长度未得到充分验证时，安全域内存可能被非安全域读取，系统也可能停止服务。公告针对的是特定示例以及相关发布分支，不能据此推断所有应用均使用这段代码。版本清单标出的受影响范围包括26.12.00-pvw1之前的版本、26.06.01-lts之前的版本。

这条记录给出的CVSS 3.1基础评分为6.8分，分级为中危。按照评分列出的条件，利用者需要具备本地访问条件，不以事先取得系统权限为必要条件，并且无需另一名用户进行额外交互。数据保密性、内容完整性和服务可用性三项的影响等级分别为高、无、低。

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