CVE-2026-84544: Connecting to a malicious NFS server may cause unexpected system termination or corrupt kernel memory in Apple macOS
An integer overflow vulnerability in Apple macOS NFS client handling could allow connecting to a malicious NFS server to cause unexpected system termination or corrupt kernel memory. This issue has been fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
AI Analysis
Technical Summary
CVE-2026-84544 is an integer overflow vulnerability in Apple macOS related to the Network File System (NFS) client. When connecting to a malicious NFS server, the vulnerability may trigger unexpected system termination or corrupt kernel memory due to improper input validation. Apple addressed this issue by improving input validation. The vulnerability affects macOS versions prior to Golden Gate 27, Sequoia 15.8, and Tahoe 26.7.
Potential Impact
Exploitation of this vulnerability may cause the affected macOS system to crash unexpectedly or experience kernel memory corruption, potentially leading to denial of service or system instability. There is no indication of active exploitation in the wild.
Mitigation Recommendations
This vulnerability is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Users and administrators should update to these versions or later to remediate the issue.
CVE-2026-84544: Connecting to a malicious NFS server may cause unexpected system termination or corrupt kernel memory in Apple macOS
Description
An integer overflow vulnerability in Apple macOS NFS client handling could allow connecting to a malicious NFS server to cause unexpected system termination or corrupt kernel memory. This issue has been fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Affected software
Apple
macOS
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-84544 is an integer overflow vulnerability in Apple macOS related to the Network File System (NFS) client. When connecting to a malicious NFS server, the vulnerability may trigger unexpected system termination or corrupt kernel memory due to improper input validation. Apple addressed this issue by improving input validation. The vulnerability affects macOS versions prior to Golden Gate 27, Sequoia 15.8, and Tahoe 26.7.
Potential Impact
Exploitation of this vulnerability may cause the affected macOS system to crash unexpectedly or experience kernel memory corruption, potentially leading to denial of service or system instability. There is no indication of active exploitation in the wild.
Mitigation Recommendations
This vulnerability is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Users and administrators should update to these versions or later to remediate the issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-01T21:13:17.751Z
- State
- PUBLISHED
Threat ID: 6aa8610855bf5e2cf59d2990
Added to database: 09/14/2026, 21:03:04 UTC
Last enriched: 09/14/2026, 22:32:08 UTC
Last updated: 09/15/2026, 05:01:23 UTC
Views: 4
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