CVE-2024-30058Network attack vector

Content spoofing via insufficient UI warning

Published Jun 13, 2024 · Updated Aug 10, 2026

Spoofing in Microsoft Edge (Chromium-based) before 126.0.2592.56 allows remote attackers to misrepresent browser content after user interaction. Microsoft maps the flaw to insufficient UI warning for dangerous operations but has not disclosed the affected interface or triggering input. A victim must interact with attacker-controlled content, and Microsoft has not disclosed what information can be exposed or altered through the spoofed interface.

CVSS severity5.4
Medium
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Spoofing in Microsoft Edge (Chromium-based) before 126.0.2592.56 allows remote attackers to misrepresent browser content after user interaction. Microsoft maps the flaw to insufficient UI warning for dangerous operations but has not disclosed the affected interface or triggering input. A victim must interact with attacker-controlled content, and Microsoft has not disclosed what information can be exposed or altered through the spoofed interface.

The record

CVE
CVE-2024-30058
Published
Jun 13, 2024
Updated
Aug 10, 2026
Vendor
Microsoft
Product
Microsoft Edge (Chromium-based)
Classifications
CWE-290, CWE-357
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 13, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 10, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0.0.0 <126.0.2592.56

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Microsoft · Microsoft Edge (Chromium-based)version=1.0.0.0 <126.0.2592.56

Published CVSS scores

5.4Microsoft CorporationCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-290Authentication Bypass by Spoofing
CWE-357Insufficient UI Warning of Dangerous Operations

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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