Pierluigi Paganini
June 18, 2026
Microsoft confirmed the RoguePlanet Defender zero-day (CVE-2026-50656), a privilege escalation flaw, and is developing a security patch. Microsoft has acknowledged the RoguePlanet zero-day affecting Microsoft Defender, tracked as CVE-2026-50656 (CVSS score of 7.8). The vulnerability allows privilege escalation through the Microsoft Malware Protection Engine. The company stated it is aware of the issue and is […]
Pierluigi Paganini
June 10, 2026
The researcher Chaotic Eclipse released a PoC for the RoguePlanet Microsoft Defender zero-day, which can grant SYSTEM privileges on fully patched Windows systems. Security researcher Chaotic Eclipse, also known as Nightmare-Eclipse, has published a new proof-of-concept exploit for a RoguePlanet Microsoft Defender zero-day. The flaw relies on a race condition that can provide attackers with […]
Pierluigi Paganini
June 04, 2026
A researcher publicly released a VS Code exploit within hours, citing past disputes with Microsoft over bug handling. The security researcher Ammar Askar found a new serious zero-day in Visual Studio Code, told a contact at GitHub about it, and published a working exploit one hour later. “Just by clicking a link, it’s possible for […]
Pierluigi Paganini
May 29, 2026
A researcher dropped 6 Windows zero-days with no warning. Three are now exploited in the wild. Microsoft is angry. The researcher says Microsoft ignored them first. Over the past month, a researcher going by Chaotic Eclipse, also known as Nightmare-Eclipse, publicly released details of six unpatched vulnerabilities in Windows components including Defender and BitLocker. No […]
Pierluigi Paganini
May 27, 2026
A critical vulnerability, tracked as CVE-2026-45659, in Microsoft SharePoint can allow attackers to achieve remote code execution with little effort. Microsoft released security updates to patch a high-severity SharePoint vulnerability, tracked as CVE-2026-45659 (CVSS score of 8.8), that could allow remote code execution. The flaw does not require complex conditions for exploitation, making it a […]
Pierluigi Paganini
May 20, 2026
Microsoft acknowledged the YellowKey BitLocker bypass flaw and released mitigations, urging admins to disable autofstx.exe and enable TPM+PIN. A week after Chaotic Eclipse publicly dropped the YellowKey vulnerability, Microsoft acknowledged it and published a mitigation. Not a patch, a mitigation. The distinction matters, and we will get to why. The flaw, tracked as CVE-2026-45585 (CVSS […]
Pierluigi Paganini
May 15, 2026
Microsoft warned that attackers are exploiting a new Exchange Server zero-day vulnerability, tracked as CVE-2026-42897, in the wild. Microsoft warned that threat actors are actively exploiting a new Exchange Server zero-day vulnerability tracked as CVE-2026-42897 (CVSS score 8.1). The vulnerability is an improper neutralization of input during web page generation (‘cross-site scripting’) in Microsoft Exchange […]
Pierluigi Paganini
March 10, 2026
Microsoft Patch Tuesday security updates for March 2026 addressed 84 vulnerabilities in its products. None of the flaws are known to be exploited so far. Microsoft Patch Tuesday security updates for March 2026 addressed 84 vulnerabilities across its products. The IT giant addressed flaws across Windows, Office, Edge, Azure, SQL Server, Hyper-V, and ReFS. Including […]
Pierluigi Paganini
February 10, 2026
Microsoft Patch Tuesday security updates for February 2026 fix six actively exploited zero-day vulnerabilities. Microsoft Patch Tuesday security updates for February 2026 fix 58 new security flaws across Windows, Office, Azure, Edge, Exchange, Hyper-V, WSL, and other components, rising to 62 CVEs when third-party updates are included. Five vulnerabilities are Critical, two Moderate, and most […]
Pierluigi Paganini
January 26, 2026
Microsoft issued emergency updates to fix an actively exploited Office zero-day, CVE-2026-21509, affecting Office 2016–2024 and Microsoft 365 Apps. Microsoft released out-of-band security updates to address an actively exploited Office zero-day vulnerability tracked as CVE-2026-21509. The issue is a security feature bypass vulnerability that affects multiple Office versions, including Microsoft Office 2016, Microsoft Office 2019, […]
