Microsoft Edge security advisory (AV26-591)

Serial number: AV26-591
Date: June 12, 2026

On June 9, 2026, Microsoft published a security update to address vulnerabilities in the following product:

  • Microsoft Edge Stable Channel – versions prior to 149.0.4022.62

Microsoft has indicated that CVE-2026-11645 has an available exploit.

The Cyber Centre encourages users and administrators to review the provided web link and apply the necessary update.

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