Chaotic Eclipse has disclosed a Windows privilege escalation zero-day flaw, codenamed MiniPlasma, affecting the "cldflt.sys" driver, which allows attackers to gain SYSTEM privileges on fully patched Windows systems.
For cybersecurity professionals, the release of a PoC for the MiniPlasma zero-day vulnerability in the Windows Cloud Files Mini Filter Driver (cldflt.sys) highlights an urgent need to update threat intelligence and incident response protocols to detect and mitigate potential exploitation paths. Immediate coordination with SOC teams to monitor for unusual activity linked to this driver, alongside prioritizing patches once available, is crucial to maintaining system integrity and protecting against privilege escalation attacks on fully patched Windows systems.