A researcher known as Chaotic Eclipse has released a proof-of-concept exploit for a new Windows zero-day dubbed MiniPlasma, which BleepingComputer confirmed can grant SYSTEM privileges on fully patched Windows 11 systems. The researcher claims the bug is effectively a still-exploitable version of a 2020 flaw Microsoft said it had fixed. From the report: At the time, the flaw was assigned the CVE-2020-17103 identifier and reportedly fixed in December 2020. "After investigating, it turns out the exact same issue that was reported to Microsoft by Google project zero is actually still present, unpatched," explains Chaotic Eclipse. "I'm unsure if Microsoft just never patched the issue or the patc...