CVE-2024-44127Network attack vector

Unauthenticated private-tab access via faulty state management

Published Sep 16, 2024 · Updated Apr 2, 2026

Authentication bypass in Safari Private Browsing in Apple iOS and iPadOS allows remote attackers to access private browsing tabs. Apple attributes the flaw to faulty state management but has not disclosed the erroneous state transition or authentication check. The published assessment requires no privileges or user interaction, and unauthorized access is limited to viewing Private Browsing tabs.

CVSS severity5.3
Medium
EPSS probability0.59%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in Safari Private Browsing in Apple iOS and iPadOS allows remote attackers to access private browsing tabs. Apple attributes the flaw to faulty state management but has not disclosed the erroneous state transition or authentication check. The published assessment requires no privileges or user interaction, and unauthorized access is limited to viewing Private Browsing tabs.

The record

CVE
CVE-2024-44127
Published
Sep 16, 2024
Updated
Apr 2, 2026
Vendor
Apple
Product
iOS
Classifications
CWE-287
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 16, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 2, 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=0 <17.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Apple · iOSversion=0 <17.7
Apple · iOS and iPadOSversion=0 <17.7; version=0 <18
Apple · iPadOSversion=0 <17.7

Published CVSS scores

5.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.3CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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-287Improper Authentication

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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