What is CVE-2026-72970?

CVE-2026-72970 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Which CVE IDs does CVE-2026-72970 cover?

CVE-2026-72970 covers the following CVE IDs: CVE-2026-72970. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-72970?

CVE-2026-72970 has a CVSS v3 base score of 8.3, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-72970?

CVE-2026-72970 affects 1 product, including: Microsoft Edge (Chromium-based).

CVE-2026-72970HighCVSS 8.3

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

August 14, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-72970 →

📋 Description

Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

🎯 Affected products1

Microsoft Edge (Chromium-based)

✅ Remediation

KBRelease Notes (Security Update) — fixed build 151.0.4129.86

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72970
referencehttps://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security