CVE-2024-43472Network attack vector

Privilege escalation via use-after-free

Published Aug 16, 2024 · Updated Jul 10, 2025

Use-after-free in Microsoft Edge (Chromium-based) before 127.0.2651.105 allows remote attackers to elevate privileges via crafted web content. Microsoft has not disclosed the affected component or the stale-object operation that triggers the memory-safety failure. User interaction is required, and Microsoft has not specified the privilege level gained.

CVSS severity5.8
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

Use-after-free in Microsoft Edge (Chromium-based) before 127.0.2651.105 allows remote attackers to elevate privileges via crafted web content. Microsoft has not disclosed the affected component or the stale-object operation that triggers the memory-safety failure. User interaction is required, and Microsoft has not specified the privilege level gained.

The record

CVE
CVE-2024-43472
Published
Aug 16, 2024
Updated
Jul 10, 2025
Vendor
Microsoft
Product
Microsoft Edge (Chromium-based)
Classifications
CWE-416, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 16, 2024CVE publishedPublication date reported by the CVE source.
  2. Jul 10, 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 <127.0.2651.105

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Microsoft · Microsoft Edge (Chromium-based)version=1.0.0 <127.0.2651.105

Published CVSS scores

5.8Microsoft CorporationCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L
8.3NISTCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

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-416Use After Free
T1203Exploitation for Client Execution

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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