CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HMicrosoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "RoguePlanet ".
A disgruntled security researcher, Nightmare Eclipse, released a new zero-day exploit called ShieldBreak targeting Microsoft Defender, allowing users to escalate privileges on Windows 11 and Server 2025. This exploit lev…
A Microsoft-based hacker has developed a new zero-day vulnerability in on-prem SharePoint, allowing them to gain system privileges on fully patched Windows systems. This represents a significant security risk, as it bypa…
A security researcher, Chaotic Eclipse, has released a proof-of-concept (PoC) demonstrating a patch bypass for a Microsoft Defender zero-day vulnerability, dubbed ShieldBreak. This vulnerability, CVE-2026-50656 (RoguePla…
Microsoft released a massive Patch Tuesday update, exceeding 600 security vulnerabilities – the largest in the program's history. This surge in vulnerabilities, driven in part by AI-assisted discovery, has led to a signi…
A disgruntled security researcher, known as "Nightmare-Eclipse," published a proof-of-concept exploit (RoguePlanet) for a Windows Defender vulnerability, leading Microsoft to issue an out-of-band patch. The vulnerability…
Microsoft has released a patch to address a Defender vulnerability, dubbed RoguePlanet, which could allow an attacker to escalate privileges. The vulnerability was initially identified by Nightmare Eclipse (Chaotic Eclip…
Microsoft has patched a critical vulnerability, RoguePlanet, within its Defender antivirus software that could allow attackers to gain SYSTEM-level privileges. This flaw, discovered by Chaotic Eclipse, allows for arbitra…
Microsoft has formally disclosed that it's working to release a patch to address a Defender zero-day codenamed RoguePlanet. The vulnerability has now been assigned the CVE identifier CVE-2026-50656 (CVSS score: 7.8), wit…
The public PoC code exploits a race condition in Microsoft Defender to spawn a command prompt with System privileges. The post Microsoft Working on Patch for ‘RoguePlanet’ Zero-Day appeared first on SecurityWeek .
Microsoft confirmed that it's working on a security patch for a Defender zero-day vulnerability named "RoguePlanet," disclosed one week ago.
