Search: CVE-2026-33825

CVE-2026-33825 is a high-severity vulnerability in Microsoft Defender Antimalware Platform caused by insufficient granularity of access control. It allows an authorized local attacker to elevate privileges. The vulnerability affects versions from 4.0.0.0 up to but not including 4.18.26030.3011. Exploits are known in the wild, including use in ransomware campaigns. An official fix is available from Microsoft.