What is CVE-2025-6554?

CVE-2025-6554 is a security advisory published by Microsoft Security Response Center (MSRC). Chromium: CVE-2025-6554 Type Confusion in V8

Which CVE IDs does CVE-2025-6554 cover?

CVE-2025-6554 covers the following CVE IDs: CVE-2025-6554. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by CVE-2025-6554?

CVE-2025-6554 affects 1 product, including: Microsoft Edge (Chromium-based).

CVE-2025-6554

Chromium: CVE-2025-6554 Type Confusion in V8

Vendor

Microsoft Security Response Center (MSRC)

Published

July 1, 2025

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2025-6554 →

📋 Description

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information. Google is aware that an exploit for CVE-2025-6554 exists in the wild.

🎯 Affected products1

Microsoft Edge (Chromium-based)

✅ Remediation

KBRelease Notes (Security Update) — fixed build 138.0.3351.65

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-6554
referencehttps://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security