CVE-2024-27791

Coprocessor memory corruption via insufficient Power Manager checks

Published Apr 24, 2024 · Updated Apr 2, 2026

Memory corruption in Power Manager in Apple operating systems allows local users to corrupt coprocessor memory through a malicious app. Apple states that improved checks addressed the issue but has not disclosed which Power Manager operation lacked validation or what app-controlled input reaches it. Execution requires a local app and user interaction, and the published consequence is limited to coprocessor-memory corruption.

CVSS severity5.8
Medium
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Memory corruption in Power Manager in Apple operating systems allows local users to corrupt coprocessor memory through a malicious app. Apple states that improved checks addressed the issue but has not disclosed which Power Manager operation lacked validation or what app-controlled input reaches it. Execution requires a local app and user interaction, and the published consequence is limited to coprocessor-memory corruption.

The record

CVE
CVE-2024-27791
Published
Apr 24, 2024
Updated
Apr 2, 2026
Vendor
Apple
Product
iOS
Classifications
CWE-119, T1203
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 24, 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

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Apple · iOSversion=0
Apple · iOS and iPadOSversion=0 <16.7.5; version=0 <17.3
Apple · tvOSversion=0 <17.3
Apple · macOSversion=0 <12.7.3; version=0 <13.6.4; version=0 <14.3; version=12.0 <12.7.3; version=13.0 <13.6.4; version=14.0 <14.3
Apple · iPadOSversion=0

Published CVSS scores

5.8CISA-ADPCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L

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-119Improper Restriction of Operations within the Bounds of a Memory Buffer
T1203Exploitation for Client Execution

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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