CVE-2024-38103Network attack vector

Remote private-data disclosure through an undisclosed flaw

Published Jul 25, 2024 · Updated Dec 9, 2025

Information disclosure in Microsoft Edge (Chromium-based) before 127.0.2651.74 allows remote attackers to access private data. Microsoft has not disclosed the affected Edge component or the operation that exposes the information. Exploitation requires user interaction and additional attack preparation; the public record does not identify the exposed data or the limited integrity effect.

CVSS severity5.9
Medium
EPSS probability0.45%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Microsoft Edge (Chromium-based) before 127.0.2651.74 allows remote attackers to access private data. Microsoft has not disclosed the affected Edge component or the operation that exposes the information. Exploitation requires user interaction and additional attack preparation; the public record does not identify the exposed data or the limited integrity effect.

The record

CVE
CVE-2024-38103
Published
Jul 25, 2024
Updated
Dec 9, 2025
Vendor
Microsoft
Product
Microsoft Edge (Chromium-based)
Classifications
CWE-359
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 25, 2024CVE publishedPublication date reported by the CVE source.
  2. Dec 9, 2025Record 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 <127.0.2651.74

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Microsoft · Microsoft Edge (Chromium-based)version=1.0.0 <127.0.2651.74

Published CVSS scores

5.9Microsoft CorporationCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-359Exposure of Private Personal Information to an Unauthorized Actor

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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