CVE-2026-33118

Microsoft Edge (Chromium-based) Spoofing Vulnerability

At a glance

Severity: MEDIUM 4.3
EPSS: EPSS 0.56 % · percentile 46 (2026-10-27)
State: PUBLISHED
Published: 2026-04-10
Updated: 2026-10-15
Assigner: microsoft
NVD status: Modified

Description

User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 4.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C	microsoft
CVSS 3.1	MEDIUM 4.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N	NVD · secure@microsoft.com (Secondary)

Weaknesses (CWE)

CWE-451

European references

ENISA EUVD · EUVD-2026-21601
GCVE · GCVE-0-2026-33118

CERT-FR advisories

CERTFR-2026-AVI-0427 — Multiples vulnérabilités dans Microsoft Edge · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:* < 147.0.3912.60

Affected products

Product	Versions
Microsoft · Microsoft Edge (Chromium-based)	affected 1.0.0.0 < 147.0.3912.60

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33118

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD