CVE-2026-57989CWE-346

CVE-2026-57989

High · published July 26, 2026

CVSS v3.1
7.4
EPSS
0%
Percentile
36.1
In the wild
Unconfirmed
What it is

Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

The record
Technical detail
CVSS v3.1
7.4 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00429 · 36.1th percentile
Weakness
CWE-346 · Origin Validation Error
Published
2026-07-26T22:18Z
Affected products (1)
ProductVersionsFixed in
microsoft/edge_chromium< 150.0.4078.99150.0.4078.99
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57989 · [email protected]
EPSS history
Timeline
  • 26 JUL 17:22Z
    Microsoft Edge (Chromium-based) Information Disclosure Vulnerability
    cvelistv5