CVE-2025-31246Network attack vector

Kernel memory corruption via malicious AFP server

Published May 12, 2025 · Updated Apr 2, 2026

Memory corruption in afpfs in Apple macOS Sonoma before 14.7.6 and Sequoia before 15.5 allows remote attackers to corrupt kernel memory. afpfs mishandles memory while the Mac connects to a malicious AFP server, but Apple has not disclosed the faulty operation or input field. Exploitation requires a connection to an attacker-controlled AFP server; the published impact is limited to kernel-memory corruption.

CVSS severity8.8
High
EPSS probability0.56%
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 afpfs in Apple macOS Sonoma before 14.7.6 and Sequoia before 15.5 allows remote attackers to corrupt kernel memory. afpfs mishandles memory while the Mac connects to a malicious AFP server, but Apple has not disclosed the faulty operation or input field. Exploitation requires a connection to an attacker-controlled AFP server; the published impact is limited to kernel-memory corruption.

The record

CVE
CVE-2025-31246
Published
May 12, 2025
Updated
Apr 2, 2026
Vendor
Apple
Product
macOS
Classifications
CWE-119
Attack vector
network
Privileges
Unavailable

Timeline

How it unfolded

  1. May 12, 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 <14.7.6
  2. Affected versionversion=0 <15.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesUnavailable in this record.

What is affected?

Apple · macOSversion=0 <14.7.6; version=0 <15.5

Published CVSS scores

8.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer

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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