Skip to main content

CVE-2026-70339

Microsoft Edge (Chromium-based) Remote Code Execution vulnerability

Microsoft

MSRC advisory August 11, 2026

Alert details

Source feed
Microsoft MSRC
CVE ID
CVE-2026-70339
Affected products
Microsoft Edge (Chromium-based) Remote Code Execution · Microsoft Microsoft Edge (Chromium-based) Remote Code Execution · Microsoft

What happened

Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

What it means for your business

Microsoft Edge (Chromium-based) Remote Code Execution vulnerability (CVE-2026-70339) was added to Microsoft’s security update guidance. Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network. If you need help checking exposure, call (864) 335-9223.

Sources

Related briefs

Microsoft MSRC

CVE-2026-69486

Microsoft Edge (Chromium-based) Remote Code Execution vulnerability

Microsoft Edge (Chromium-based) Remote Code Execution vulnerability (CVE-2026-69486) was added to Microsoft’s security update guidance. <p>Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.</p> If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-54128

Windows DHCP Client Remote Code Execution vulnerability

Windows DHCP Client Remote Code Execution vulnerability (CVE-2026-54128) was added to Microsoft’s security update guidance. Updated an acknowledgement. This is an informational change only. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-50387

Windows GDI Elevation of Privilege vulnerability

Windows GDI Elevation of Privilege vulnerability (CVE-2026-50387) was added to Microsoft’s security update guidance. Updated an acknowledgement. This is an informational change only. If you need help checking exposure, call (864) 335-9223.

HighMicrosoft MSRC

CVE-2025-10502

Heap buffer overflow in ANGLE in Microsoft Edge vulnerability

Heap buffer overflow in ANGLE in Microsoft Edge vulnerability (CVE-2025-10502) was added to Microsoft’s security update guidance. Information published. If you need help checking exposure, call (864) 335-9223.

Need help patching?

PremierePC monitors KEV alerts for managed clients and helps teams prioritize remediation before attackers do.