CVE-2024-27804

System termination via AppleAVD memory mishandling

Published May 13, 2024 · Updated Apr 2, 2026

Memory-handling flaw in Apple operating systems allows local apps to cause unexpected system termination through AppleAVD. Apple has not disclosed the specific AppleAVD memory operation or input that triggers termination. Exploitation requires an app to execute locally and produces a service interruption, with no reported confidentiality or integrity impact.

CVSS severity5.5
Medium
EPSS probability1.31%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Memory-handling flaw in Apple operating systems allows local apps to cause unexpected system termination through AppleAVD. Apple has not disclosed the specific AppleAVD memory operation or input that triggers termination. Exploitation requires an app to execute locally and produces a service interruption, with no reported confidentiality or integrity impact.

The record

CVE
CVE-2024-27804
Published
May 13, 2024
Updated
Apr 2, 2026
Vendor
Apple
Product
iOS
Classifications
CWE-1325, CWE-770, T1499.004
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 13, 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 <17.5

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Apple · iOSversion=0 <17.5
Apple · iOS and iPadOSversion=0 <17.5
Apple · visionOSversion=0 <1.3
Apple · tvOSversion=0 <17.5
Apple · macOSversion=0 <14.5
Apple · iPadOSversion=0 <17.5
Apple · watchOSversion=0 <10.5

Published CVSS scores

8.1CISA-ADPCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
5.5NIST NVDCVSS: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.

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)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-1325Improperly Controlled Sequential Memory Allocation
CWE-770Allocation of Resources Without Limits or Throttling
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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