CVE-2026-70339CWE-843

CVE-2026-70339

Medium · published August 12, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
34.5
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00413 · 34.5th percentile
Weakness
CWE-843 · Access of Resource Using Incompatible Type ('Type Confusion')
Published
2026-08-12T00:18Z
Affected products (1)
ProductVersionsFixed in
microsoft/edge_chromium< 151.0.4129.78151.0.4129.78
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70339 · [email protected]
EPSS history
Timeline
  • 11 AUG 19:18Z
    Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
    cvelistv5