The issue allows attackers to gain System privileges on a vulnerable machine. It is an elevation-of-privilege vulnerability that affects the system. The vulnerability is related to an untrusted pointer dereference in the mskssrv.sys driver. It has been actively exploited and was demonstrated at the Pwn2Own contest. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added this vulnerability to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation.