What is CVE-2026-4786?

CVE-2026-4786 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Incomplete mitigation of CVE-2026-4519, %action expansion for command injection to webbrowser.open()

Which CVE IDs does CVE-2026-4786 cover?

CVE-2026-4786 covers the following CVE IDs: CVE-2026-4786. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

CVE-2026-4786High

Incomplete mitigation of CVE-2026-4519, %action expansion for command injection to webbrowser.open()

Vendor

Microsoft Security Response Center (MSRC)

Published

June 2, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-4786 →