A zero-day vulnerability in Windows 10 that abuses a flaw in Windows Task Scheduler has been posted to GitHub by a security researcher who did not first notify Microsoft of the issue.

The individual, who goes by the name SandboxEscaper, posted the vulnerabilities details along with a proof of concept showing the exploit being abused against 32-bit version of Windows 10. In his GitHub post SandboxEscaper did not say if Microsoft was notified prior to posting the findings, but in a statement to SC Media Microsoft seems to indicate this did not happen nor is a patch ready.

“Microsoft has a customer commitment to investigate reported security issues and we will provide updates for impacted devices as soon as possible. We urge finders to practice coordinated vulnerability disclosure to reduce the potential risk to customers,” a Microsoft spokesperson told SC Media.

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