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HIGH

CVE-2026-70341

CVSS v3

8.5

HIGH

EPSS Score

0.7 %

exploit probability, as of 2026-09-28

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

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

Technical details

Published
2026-09-11
Last Modified
2026-09-12

Frequently asked questions

What is CVE-2026-70341?

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

Is CVE-2026-70341 actively exploited?

Active exploitation of CVE-2026-70341 has not been confirmed. Its EPSS score was 0.7% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-70341?

CVE-2026-70341 has a CVSS v3 base score of 8.5 (HIGH severity).

Is CVE-2026-70341 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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