CVE-2026-57977

edge_chromium: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CVE-2026-57977)

Affected

  • microsoft/edge_chromium lt *..150.0.4078.48

Description

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

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

7.1
Source: nvd-v3
45.9 %
High — this CVE ranks above the median of all CVEs scored today (rank ≥ 36%).
Show all metrics
Severity
high
no public PoC known
0.6 %
Low — model estimates < 1% exploitation likelihood.
Published
2026-07-03 21:17 UTC
CWE-79

Weakness classes (CWE)

  • CWE-79Base

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

    The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

    cwe.mitre.org →

References & sources

Reanalysis & status changes

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

  1. CVE Modified2026-07-06 17:16 UTC· 134c704f-9b21-4f2e-91b3-4a467353bcc0
    • SSVC: {"id":"CVE-2026-57977","role":"CISA Coordinator","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalI…
  2. New CVE Received2026-07-03 21:17 UTC· secure@microsoft.com
    • Affected: Microsoft Edge (Chromium-based)
    • Description: Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
    • CVSS V3.1: AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N
    • CWE: CWE-79

Linked advisories