PT-2026-64817 · Undefined · Undefined

CVE-2026-57978 · Published 2026-07-26 · Updated 2026-07-26

NVD

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

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

Fix

Origin Validation Error

Weakness Enumeration

CWE-346

Related Identifiers

CVE-2026-57978

Affected Products

Undefined

References · 2

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57978 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-57978 · Security Note