CVE-2023-28188Network attack vector

Remote denial of service via TextKit input

Published Sep 6, 2023 · Updated Feb 13, 2025

Denial of service in TextKit in Apple macOS before 13.3 allows remote authenticated users to cause a service interruption. Apple states only that TextKit accepted input requiring stronger validation and has not disclosed the responsible routine or malformed input. Network access with low privileges is required; Apple has not specified whether the interruption is a hang, crash, or another failure mode.

CVSS severity6.5
Medium
EPSS probability0.83%
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 TextKit in Apple macOS before 13.3 allows remote authenticated users to cause a service interruption. Apple states only that TextKit accepted input requiring stronger validation and has not disclosed the responsible routine or malformed input. Network access with low privileges is required; Apple has not specified whether the interruption is a hang, crash, or another failure mode.

The record

CVE
CVE-2023-28188
Published
Sep 6, 2023
Updated
Feb 13, 2025
Vendor
Apple
Product
macOS
Classifications
CWE-400, T1499
Attack vector
network
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 vectornetwork
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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-400Uncontrolled Resource Consumption
T1499Endpoint Denial of Service

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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