CVE-2026-70341

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Published Sep 11, 2026 CVSS 3.1 · 8.5 High EPSS < 1% KEV · Not listed
Description
Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:microsoft:edge:*:*:*:*:*:windows:*:*
Type Values Removed Values Added
First Time appeared Apple
Apple macos
Linux
Linux linux Kernel
CPEs cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:-:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple macos
Linux
Linux linux Kernel
Type Values Removed Values Added
First Time appeared Microsoft microsoft Edge (chromium-based)
Vendors & Products Microsoft microsoft Edge (chromium-based)
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.
Title Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft edge
Microsoft edge Chromium
Weaknesses CWE-416
CPEs cpe:2.3:a:microsoft:edge:*:*:*:*:*:android:*:*
cpe:2.3:a:microsoft:edge:*:*:*:*:*:iphone_os:*:*
cpe:2.3:a:microsoft:edge:*:*:*:*:*:linux:*:*
cpe:2.3:a:microsoft:edge:*:*:*:*:*:mac:*:*
cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft edge
Microsoft edge Chromium
References
Metrics cvssV3_1

{'score': 8.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 10, 2026, 10:01 PM
Reserved
Aug 4, 2026, 12:04 AM
Status
Analyzed
Published
Sep 11, 2026, 4:17 PM
Modified
Oct 28, 2026, 9:17 PM