CVE-2026-65365: Connecting to a malicious SMB share may disclose kernel memory in Apple macOS
CVE-2026-65365 is a vulnerability in Apple macOS where connecting to a malicious SMB share may disclose kernel memory due to an out-of-bounds read. The issue was addressed by improved bounds checking and fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds read in the SMB client implementation of Apple macOS. When a user connects to a malicious SMB share, the flaw may cause disclosure of kernel memory. Apple fixed the issue by improving bounds checking in the affected components. The fix is included in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Potential Impact
Successful exploitation of this vulnerability could lead to disclosure of sensitive kernel memory contents, potentially exposing sensitive information or aiding further attacks. However, there is no indication of remote code execution or privilege escalation from the provided data.
Mitigation Recommendations
Apply the official fixes by upgrading to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7. These versions include the improved bounds checking that resolves the out-of-bounds read vulnerability.
CVE-2026-65365: Connecting to a malicious SMB share may disclose kernel memory in Apple macOS
Description
CVE-2026-65365 is a vulnerability in Apple macOS where connecting to a malicious SMB share may disclose kernel memory due to an out-of-bounds read. The issue was addressed by improved bounds checking and fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Affected software
Apple
macOS
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds read in the SMB client implementation of Apple macOS. When a user connects to a malicious SMB share, the flaw may cause disclosure of kernel memory. Apple fixed the issue by improving bounds checking in the affected components. The fix is included in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Potential Impact
Successful exploitation of this vulnerability could lead to disclosure of sensitive kernel memory contents, potentially exposing sensitive information or aiding further attacks. However, there is no indication of remote code execution or privilege escalation from the provided data.
Mitigation Recommendations
Apply the official fixes by upgrading to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7. These versions include the improved bounds checking that resolves the out-of-bounds read vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-07-22T00:46:06.182Z
- State
- PUBLISHED
Threat ID: 6aa860fb55bf5e2cf59d249e
Added to database: 09/14/2026, 21:02:51 UTC
Last enriched: 09/14/2026, 22:26:53 UTC
Last updated: 09/15/2026, 03:01:23 UTC
Views: 2
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