CVE-2025-43235

Local denial of service via memory mishandling

Published Jul 29, 2025 · Updated Apr 2, 2026

Denial of service in Apple macOS before 15.6 allows local users to interrupt Power Management through a memory-handling flaw. Apple identifies the Power Management component but has not disclosed the affected function or the incorrect memory operation. Exploitation requires local app execution and user interaction; the documented consequence is limited to availability loss.

CVSS severity5.5
Medium
EPSS probability0.19%
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 Apple macOS before 15.6 allows local users to interrupt Power Management through a memory-handling flaw. Apple identifies the Power Management component but has not disclosed the affected function or the incorrect memory operation. Exploitation requires local app execution and user interaction; the documented consequence is limited to availability loss.

The record

CVE
CVE-2025-43235
Published
Jul 29, 2025
Updated
Apr 2, 2026
Vendor
Apple
Product
macOS
Classifications
CWE-400, T1499
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 29, 2025CVE 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 <15.6

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Apple · macOSversion=0 <15.6

Published CVSS scores

5.5CISA-ADPCVSS:3.1/AV:L/AC:L/PR:N/UI:R/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
Privilegesunauthenticated
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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