Ref# ADV2025_86 | Date: Mar 19th 2025

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Microsoft has published a security advisory to address vulnerabilities affecting the following products on March 11th and 12th, 2025. It is recommended that you take the necessary precautions to ensure your products are always protected.

• Microsoft Edge Stable Channel – versions prior to 134.0.3124.66

For more information on these updates, you can follow these URLs:

• Microsoft Edge Extended Stable Channel Release Notes – March 11, 2025
• Microsoft Edge Extended Stable Channel Release Notes – March 12, 2025

The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary.

PDF Download: Microsoft Edge Security Advisory

References

• Microsoft Release Notes for Microsoft Edge Security Updates. (March 11th and 12th, 2025). Retrieved from Microsoft. https://learn.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security#march
• Microsoft Edge security advisory. (March 12th, 2025). Retrieved from Canadian Centre for Cyber Security. https://www.cyber.gc.ca/en/alerts-advisories/microsoft-edge-security-advisory-av25-134