CVE-2026-72970: Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Published Aug 14, 2026
·Updated
Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Other sources
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
— Microsoft
Affected Software
3 affected componentsFixes available
Microsoft Microsoft Edge (Chromium-based)
Microsoft Edge<151.0.4129.86
Microsoft Edge (Chromium-based)<151.0.4129.86
151.0.4129.86
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 151.0.4129.86
Event History
Aug 14, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
DescriptionAffected Software
CVE Published
via MITRE·06:06 PM
Data Sourced
via MITRE·06:06 PM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2026-72970?
CVE-2026-72970 has a severity rating of 8.3, categorized as high.
2
How do I fix CVE-2026-72970?
To fix CVE-2026-72970, ensure that you update Microsoft Edge (Chromium-based) to the latest version.
3
What type of vulnerability is CVE-2026-72970?
CVE-2026-72970 is a heap-based buffer overflow vulnerability.
4
What impact can CVE-2026-72970 have on my system?
CVE-2026-72970 can allow an unauthorized attacker to execute arbitrary code on your system.
5
Which software is affected by CVE-2026-72970?
CVE-2026-72970 affects Microsoft Edge and its Chromium-based versions.