Win32k privilege escalation CVE-2023-29336 exploited in the wild

high severity · exploited in the wild · published 2023-05-09

An attacker running code on the machine gains full SYSTEM privileges, taking complete control of the system. This vulnerability is actively exploited in the wild.

Fixed in: 10.0.14393.5921

CVE: CVE-2023-29336

Source: Microsoft (MSRC)

Am I affected?

You are affected if the installed version is older than 10.0.14393.5921. Check the version you have and update to 10.0.14393.5921 or later. The fixed version is verified against a vendor or advisory source.

Get the fix

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 1509 and your operating system.