Microsoft Edge security advisory (AV26-640)
Serial number: AV26-640 Date: June 29, 2026 On June 26, 2026, Microsoft published a security update to address vulnerabilities in the following product: Microsoft Edge Stable Channel – versions prior to 149.0.4022.98 The Cyber Centre encourages users and administrators to review the provided web link and apply the necessary update. Microsoft Edge Stable Channel Release Notes
CSIRTS triage
- What
- Microsoft published a security update to address vulnerabilities in Microsoft Edge.
- Who is affected
- Users of Microsoft Edge prior to version 149.0.4022.98 are affected.
- Urgency
- Remediation is important to mitigate potential security risks, although specific severity is unknown.
- Action
- Users should update to version 149.0.4022.98 or later.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://cyber.gc.ca/en/alerts-advisories/microsoft-edge-security-advisory-av26-640
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