CVE-2025-21404

mediumpriority · track · 0EPSS 0.011 · 65 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.08% (65th) EPSS

CVSS 4.3 · medium

Is it mine?

9 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Microsoft Edge (Chromium-based) Spoofing Vulnerability

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedMicrosoft Edge (Chromium-based)msrc_csaf
133.0.3065.51:Security Update:https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security
https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.14.3mediumAV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:Csecondary · ENISA EU

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Nsecondary · secure@microsoft.com USexploitability 2.8 · impact 1.4

v3.14mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-449USCWE-449USCWE-451USCWE-451US

affected products (9)

Products and version ranges known to be affected.

Microsoft Edge <132.0.2957.171all versionscert_bundDE
Microsoft Edge <133.0.3065.51all versionscert_bundDE
Microsoft Edge< 132.0.2957.171cert_bundDE
Microsoft Edge< 133.0.3065.51cert_bundDE
Microsoft Microsoft Edge (Chromium-based)1.0.0.0 → 133.0.3065.51enisa_euvdEU
Microsoft Corp Microsoft Edge≤ 133.0.3065.51fstec_bduRU
Microsoft Edge (Chromium-based)all versionsfixedmsrc_csafUS
Microsoft Edge (Chromium-based)< 133.0.3065.51msrc_csafUS
microsoft edge chromium< 133.0.3065.51nvdUScpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-0291Microsoft Edge: Mehrere SchwachstellenDeutsch2025-02-06csaf · cert_bundDE
Ein entfernter anonymer oder lokaler Angreifer kann diese Schwachstelle ausnutzen, um beliebigen Code auszuführen, Spoofing-Angriffe durchzuführen, vertrauliche Informationen offenzulegen, Daten zu manipulieren und einen Denial-of-Service-Zustand zu verursachen.
msrc_CVE-2025-21404Microsoft Edge (Chromium-based) Spoofing Vulnerability2025-02-11csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund msrc_csaf nvd NVD CVE.org MITRE

published 2025-02-06modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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