CVE-2024-27888

Protected filesystem modification via PackageKit permissions flaw

Published Jul 29, 2024 · Updated Apr 2, 2026

A permissions flaw in PackageKit in Apple macOS before 14.4 allows local users to modify protected parts of the file system. PackageKit retained vulnerable code and performed insufficient permission checks, but Apple has not disclosed the affected operation or input. Execution of an app on the Mac is required; the demonstrated consequence is protected-file-system modification, with no published availability impact.

CVSS severity7.1
High
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A permissions flaw in PackageKit in Apple macOS before 14.4 allows local users to modify protected parts of the file system. PackageKit retained vulnerable code and performed insufficient permission checks, but Apple has not disclosed the affected operation or input. Execution of an app on the Mac is required; the demonstrated consequence is protected-file-system modification, with no published availability impact.

The record

CVE
CVE-2024-27888
Published
Jul 29, 2024
Updated
Apr 2, 2026
Vendor
Apple
Product
macOS
Classifications
CWE-281
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 29, 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 <14.4
  2. Affected versionversion=14.0 <14.4

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Apple · macOSversion=0 <14.4; version=14.0 <14.4

Published CVSS scores

7.1CISA-ADPCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/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.

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No observations available

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

Weakness, pattern, technique

CWE-281Improper Preservation of Permissions

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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