Intel

CVE-2026-45489

edge_chromium: Exposed Dangerous Method or Function (CVE-2026-45489)

mediumEPSS 0.9%

Affected

  • microsoft/edge_chromium lt *..150.0.4078.48

Description

Microsoft Edge (Chromium-based) Spoofing Vulnerability

Source: cvelistv5NVD (NIST)Microsoft Security Update GuideBSI WID PortalBSI CSAF

Affected products

The following versions are affected. Older releases of the same product line are also vulnerable unless stated otherwise.

microsoftedge_chromium
150.0.4078.48fixed from 150.0.4078.48

Metrics

XIEM Effective CVSS
6.5
Source: nvd-v3
EPSS percentile
57.8 %
High — this CVE ranks above the median of all CVEs scored today (rank ≥ 36%).
KEV status
—
Show all metrics
Severity
medium
Priority score
80.56
Exploit maturity
no public PoC known
CVSS v3
6.5
EPSS score
0.9 %
Low — model estimates < 1% exploitation likelihood.
Published
2026-07-03 20:35 UTC
CWE
CWE-749

Weakness classes (CWE)

  • CWE-749Base

    Exposed Dangerous Method or Function

    The product provides an Applications Programming Interface (API) or similar interface for interaction with external actors, but the interface includes a dangerous method or function that is not properly restricted.

    cwe.mitre.org →

References & sources

Reanalysis & status changes

Chronological NVD audit events for this CVE — reanalyses, CVSS updates, CPE diffs.

  1. New CVE Received2026-07-03 21:17 UTC· secure@microsoft.com
    • Affected: Microsoft Edge (Chromium-based)
    • Description: Microsoft Edge (Chromium-based) Spoofing Vulnerability
    • CVSS V3.1: AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
    • Reference: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45489

Linked advisories