Description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Connecting to a malicious afpfs server may lead to kernel memory corruption.
Published: 2026-09-14
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Sun, 20 Sep 2026 19:30:00 +0000

Type Values Removed Values Added
Title macOS AFPFS Buffer Overflow Leading to Kernel Memory Corruption

Thu, 17 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 16 Sep 2026 18:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-787
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}


Wed, 16 Sep 2026 10:30:00 +0000

Type Values Removed Values Added
Title AFPFS Buffer Overflow in macOS Kernel
Weaknesses CWE-119

Tue, 15 Sep 2026 11:30:00 +0000

Type Values Removed Values Added
Title AFPFS Buffer Overflow in macOS Kernel
Weaknesses CWE-119

Tue, 15 Sep 2026 00:30:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos

Mon, 14 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
Description A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Connecting to a malicious afpfs server may lead to kernel memory corruption.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2026-09-18T03:56:18.302Z

Reserved: 2026-05-01T22:46:27.821Z

Link: CVE-2026-43815

cve-icon Vulnrichment

Updated: 2026-09-17T17:14:35.799Z

cve-icon NVD

Status : Modified

Published: 2026-09-14T21:17:12.410

Modified: 2026-09-18T04:17:49.960

Link: CVE-2026-43815

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-20T19:15:03Z

Weaknesses