Microsoft has moved beyond blocking eight weak eMudhra intermediate keys and is removing associated roots from Windows trust, while Chrome, Apple and Go are applying separate protections.
What changed
Weak eMudhra intermediate keys are now driving root-level distrust across major platforms. The priority is to remove residual trust without causing unmanaged certificate failures, and to prove that embedded or disconnected systems received equivalent protection.
Public record through 2026-10-27. Source references count citations across published briefings, including repeated sources. Explore the record and its limits →
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Security.io scores from 0–100 combine trust-store breadth, remediation immediacy and potential security or availability impact. They are editorial assessments, not external measurements. Exposure: 95. Urgency: 94. Business consequence: 86. Focus the chart and use the up and down arrow keys for detail. Source: Security.io editorial assessment based on Microsoft, eMudhra, Google, Apple and Go disclosures.