CVE-2026-70341: Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

CVE-2026-70341 PUBLISHED CVSS 8.5 HIGH

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Reported by microsoft · Published September 11, 2026

Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

Package	Ecosystem	Fixed in
edge	microsoft	152.0.4191.52
Microsoft Edge for Android	Microsoft	152.0.4191.52
Microsoft Edge for iOS	Microsoft	152.0.4191.52
Microsoft Edge (Chromium-based)	Microsoft	152.0.4191.52

CVSS 3.1

8.5

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

Vendor	Product	Versions
Microsoft	Microsoft Edge (Chromium-based)	1.0.0.0
Microsoft	Microsoft Edge for Android	1.0.0.0
Microsoft	Microsoft Edge for iOS	1.0.0.0
Microsoft	Microsoft Edge for Linux	1.0.0
Microsoft	Microsoft Edge for MAC	1.0.0.0
Microsoft	Microsoft Edge for Windows	1.0.0.0
Microsoft	Microsoft Edge for Android	1.0.0.0
Microsoft	Microsoft Edge for iOS	1.0.0.0
Microsoft	Microsoft Edge (Chromium-based)	1.0.0.0
microsoft	edge_chromium	1.0.0.0
Microsoft	Microsoft Edge for MAC	1.0.0.0
Microsoft	Microsoft Edge for Linux	1.0.0
Microsoft	Microsoft Edge for Windows	1.0.0.0
microsoft	edge	1.0.0.0, 1.0.0

The same record, from the CLI:

vulnetix vdb vuln CVE-2026-70341
vulnetix vdb fixes CVE-2026-70341

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2026-70341/fixes/registry"

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