CVE-2023-28187

Local denial of service via kernel state mishandling

Published Sep 6, 2023 · Updated Feb 13, 2025

Denial of service in the Apple macOS kernel before 13.3 allows local users to cause an operating-system service interruption. The kernel performs incorrect state management, but Apple has not disclosed the affected state transition or trigger. Exploitation requires local user access and can deny system availability; no data access or modification impact is reported.

CVSS severity6.5
Medium
EPSS probability0.63%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in the Apple macOS kernel before 13.3 allows local users to cause an operating-system service interruption. The kernel performs incorrect state management, but Apple has not disclosed the affected state transition or trigger. Exploitation requires local user access and can deny system availability; no data access or modification impact is reported.

The record

CVE
CVE-2023-28187
Published
Sep 6, 2023
Updated
Feb 13, 2025
Vendor
Apple
Product
macOS
Classifications
T1499.004
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 6, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 13, 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=unspecified <13.3

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Apple · macOSversion=unspecified <13.3

Published CVSS scores

6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/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.

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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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499.004Application or System Exploitation

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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