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

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

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

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。

New PoC shows how Microsoft Defender can be tricked into rewriting malicious files into protected locations, enabling ...

Threat actors are exploiting three recently disclosed Windows security vulnerabilities in attacks aimed at gaining SYSTEM or ...

A disgruntled researcher released a second zero-day Windows Defender exploit, dubbed RedSun, shortly after Microsoft patched ...

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 ...

微软已推出针对 Microsoft Defender 防病毒软件的最新安全智能更新，旨在帮助保护 Windows 11、Windows 10 和 Windows Server 镜像的安全。 此次更新于 2026 年 4 月 7 ...

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

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