CVE-2021-28446

CVE-2021-28446 is a Windows Portmapping Information Disclosure Vulnerability affecting various versions of Microsoft Windows and Windows Server. This vulnerability carries a CVSS score of 7.1 (High), indicating a local attack vector with low complexity, allowing an authenticated attacker to achieve high confidentiality and availability impact. While not currently listed on CISA's KEV catalog or having public exploit code, it has received limited community discussion and media coverage. Organizations should prioritize patching due to the potential for significant data disclosure and system disruption.