CVE-2026-84544

Integer Overflow in macOS NFS Client Leading to Kernel Memory Corruption

Published Sep 14, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
An integer overflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious NFS server may cause unexpected system termination or corrupt kernel memory.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Title Integer Overflow in macOS NFS Client Leading to Kernel Memory Corruption
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-190
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Type Values Removed Values Added
Title Integer Overflow in macOS NFS Client Leading to Kernel Memory Corruption
Weaknesses CWE-190
CWE-416
Type Values Removed Values Added
Title Integer Overflow in macOS NFS Client Leading to Kernel Memory Corruption
Weaknesses CWE-190
CWE-416
Type Values Removed Values Added
First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Description An integer overflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious NFS server may cause unexpected system termination or corrupt kernel memory.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Oct 26, 2026, 8:38 PM
Reserved
Sep 1, 2026, 9:13 PM
Status
Modified
Published
Sep 14, 2026, 9:17 PM
Modified
Sep 17, 2026, 9:17 PM