What is CVE-2025-1920?

CVE-2025-1920 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Chromium: CVE-2025-1920 Type Confusion in V8

Which CVE IDs does CVE-2025-1920 cover?

CVE-2025-1920 covers the following CVE IDs: CVE-2025-1920. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-1920?

CVE-2025-1920 has a CVSS v3 base score of 8.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2025-1920?

CVE-2025-1920 affects 2 products, including: Microsoft Edge (Chromium-based); cbl2 nodejs18 18.20.3-12 on CBL-Mariner 2.0.

CVE-2025-1920HighCVSS 8.8

Chromium: CVE-2025-1920 Type Confusion in V8

Vendor

Microsoft Security Response Center (MSRC)

Published

July 11, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2025-1920 →

📋 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.

🎯 Affected products2

Microsoft Edge (Chromium-based)
cbl2 nodejs18 18.20.3-12 on CBL-Mariner 2.0

✅ Remediation

KBRelease Notes (Security Update) KBRelease Notes (Security Update) — fixed build 134.0.3124.62

🔗 References (3)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-1920
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade
referencehttps://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security