Microsoft's May 2023 Security Update

Arctic Wolf summarizes Microsoft’s May 9, 2023 Security Update that addresses multiple high-to-critical Windows and SharePoint vulnerabilities — including actively exploited issues (CVE-2023-29336 for elevation of privilege and CVE-2023-24932, a Secure Boot bypass used to deploy the Black Lotus UEFI bootkit) — lists affected products and KB updates, and recommends applying patches and specific additional mitigations for CVE-2023-24932.