CVE-2026-70339: Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an…
CVE-2026-70339 · Severity: medium · CVSS 5.4 · Published 2026-08-11
Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
No. Junglewise Threat Intelligence has no report of CVE-2026-70339 being exploited in the wild.
How severe is CVE-2026-70339?
Medium severity, with a CVSS score of 5.4, published 11 August 2026.
Which products and versions are affected?
Microsoft Edge Chromium. The advisory does not name versions.
Is there a fix for CVE-2026-70339?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-70339?
Check whether you run Microsoft Edge Chromium. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.