{"cvss":7.8,"datePublished":"2024-03-04","dateUpdated":"2024-03-04","description":"Microsoft Windows Kernel contains an exposed IOCTL with insufficient access control vulnerability within the IOCTL (input and output control) dispatcher in appid.sys that allows a local attacker to achieve privilege escalation.","dueDate":"2024-03-25","id":"CVE-2024-21338","kev_catalogs":["cisa"],"knownRansomwareCampaignUse":"Known","notes":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21338; https://nvd.nist.gov/vuln/detail/CVE-2024-21338","product":"Windows","requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","severity":"HIGH","source":"cisa_known_exploited","title":"Microsoft Windows Kernel Exposed IOCTL with Insufficient Access Control Vulnerability","vendor":"Microsoft"}