high severity · exploited in the wild · published 2025-12-09
An attacker who already runs code as a normal user can raise their rights to a much higher level and take over the PC. Attackers already use this flaw in the wild.
Fixed in: 10.0.26200.7462
CVE: CVE-2025-62221
Source: Microsoft (MSRC)
Fixlane has a reviewed fix procedure for this incident: a read-only check first, then the fix. Ask the Telegram bot, or connect an AI agent to the Fixlane MCP server and call get_fix_prompt with incident id 1548 and your operating system.