CVE-2021-26411

CVE-2021-26411 is a critical memory corruption vulnerability affecting Microsoft Internet Explorer. With a CVSS score of 8.8 (HIGH), it allows unauthenticated attackers to achieve high impact on integrity and low impact on confidentiality and availability through user interaction, typically via a malicious website. This vulnerability is actively exploited in the wild, including by state-sponsored actors and ransomware campaigns, despite the lack of public exploit code. The high EPSS score, FAUCET Risk Score, and extensive community discussion and media coverage highlight its significant threat and widespread attention.