vulnerability Microsoft-vendetta hacker has a new zero day that gives system privileges on fully patched Windows 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 bypasses traditional security measures and could be used for malicious purposes. The Register · Aug 12, 2026 High CVE-2026-50656CVE-2026-33825CVE-2026-41091zero-daysharepointvulnerability
vulnerability Microsoft patches YellowKey, GreenPlasma, MiniPlasma zero-days On Tuesday, Microsoft patched two zero-day vulnerabilities that let attackers gain SYSTEM privileges on fully patched Windows systems, and a third one that grants access to BitLocker-protected drives. BleepingComputer · Jun 10, 2026 Critical CVE-2026-45586CVE-2020-17103CVE-2026-45585
vulnerability Microsoft Patches Record 206 Flaws, Including Three Zero-Days and Critical RCE Bugs Microsoft released a significant security update addressing 206 vulnerabilities across its software portfolio, including multiple critical Remote Code Execution (RCE) flaws and several zero-days. The update focuses on pa… The Hacker News · Jun 10, 2026 Critical CVE-2025-10263CVE-2026-8863CVE-2026-45657USzero-dayrcebitlocker
threat-intel Windows Zero-Day Barrage Continues After Patch Tuesday A security researcher known as "Nightmare Eclipse" has disclosed six Windows zero-day vulnerabilities over the past six weeks, some of which are actively being exploited. These vulnerabilities, including YellowKey, Green… Dark Reading · May 19, 2026 High CVE-2020-17103CVE-2026-33825USzero-daybitlockerprivilege escalation
vulnerability MiniPlasma Windows 0-Day Enables SYSTEM Privilege Escalation on Fully Patched Systems Chaotic Eclipse, the security researcher behind the recently disclosed Windows flaws, YellowKey and GreenPlasma, has released a proof-of-concept (PoC) for a Windows privilege escalation zero-day flaw that grants attacker… The Hacker News · May 18, 2026 Critical CVE-2020-17103CVE-2025-62221