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CRITICAL

CVE-2026-58289

CVSS v3

9

CRITICAL

EPSS Score

2.0 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

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

Technical details

Published
2026-07-03
Last Modified
2026-07-03
Exploit-DB
EDB-52632

Frequently asked questions

What is CVE-2026-58289?

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

Is CVE-2026-58289 actively exploited?

Active exploitation of CVE-2026-58289 has not been confirmed. Its EPSS score was 2.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-58289?

CVE-2026-58289 has a CVSS v3 base score of 9 (CRITICAL severity).

Is CVE-2026-58289 affecting your environment?

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