Description
At Microsoft, securing the ecosystem means more than just fixing bugs—it means proactively hunting for variant classes, identifying systemic weaknesses, and working across teams to protect customers before attackers ever get the chance. This blog highlights one such effort: a deep dive into the risks of misconfigured postMessage handlers across Microsoft services and how MSRC worked with engineering teams to mitigate them.
Basic Information
ID
MSRC:057D60C825C8870C92426F28F976CA16
Published
Aug 25, 2025 at 07:00