IT之家4 月 17 日消息，微软本月早些时候遭公开的三枚 Windows 零日漏洞，目前已全部被黑客用于实际攻击。其中两枚涉及 Microsoft Defender 本地权限提升，另一枚可阻断 Defender 病毒库更新，但目前仅有 BlueHammer 获得修复。 Huntress Labs 安全研究人员于当地时间 4 月 16 日报告称，已监测到这三枚零日漏洞被利用的迹象。其中，BlueH ...

IT之家 4 月 6 日消息，北京时间今天（4 月 6 日）上午，据外媒 Neowin 报道，微软持续为 Microsoft Defender 发布更新，以应对不断出现的恶意软件威胁。同时，大约每三个月，微软还会将最新安全内容 整合进 Windows 安装镜像（WIM、VHD）及 ISO 文件中 ，用于系统部署。

微软会定期更新恶意软件定义和底层平台以应对新威胁。多数企业环境和家庭用户的默认配置会自动下载安装这些关键更新。该漏洞影响4.18.26020.6及以下版本，已在4.18.26030.3011版本中完全修复。组织和个人用户应手动验证更新状态以确保完全防 ...

A researcher known as "Chaotic Eclipse" has published a proof-of-concept exploit for a second Microsoft Defender zero-day, ...

Microsoft’s April 2026 Patch Tuesday fixes 165 vulnerabilities, including two zero-days, in one of the company’s largest ...

Three Defender zero-days exploited since April 10, 2026, enabling privilege escalation and DoS, forcing isolation of affected ...

RedSun exploit targets Microsoft Defender zero-day, granting SYSTEM access on fully patched Windows systems with no patch ...

Windows Security (formerly Windows Defender) is the built-in antivirus tool bundled with the operating system. It has saved ...

A security researcher frustrated with Microsoft has released the BlueHammer Windows zero-day exploit, telling the company, “I ...

The Microsoft Defender Security Research Team has confirmed that a pervasive new authentication code attack is compromising ...

Microsoft is getting rid of the VPN offered through Microsoft Defender. As spotted by Windows Latest, the company updated its support pages for privacy protection, its built-in VPN, to notify users ...

A security vulnerability was recently discovered in Microsoft Defender, the first-party Windows 11 antivirus tool used by ...