CVE-2026-64695
Analyzed Analyzed - Analysis Complete

Memory Corruption in macOS Sequoia

Vulnerability report for CVE-2026-64695, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-07-27

Last updated on: 2026-07-28

Assigner: Apple Inc.

Description

The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A remote user may be able to cause unexpected system termination or corrupt kernel memory.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-07-27
Last Modified
2026-07-28
Generated
2026-08-17
AI Q&A
2026-07-28
EPSS Evaluated
2026-08-15
NVD
EUVD

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
apple macos From 14.0 (inc) to 14.8.8 (exc)
apple macos From 15.0 (inc) to 15.7.8 (exc)
apple macos From 26.0 (inc) to 26.6 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-119 The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Attack-Flow Graph

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Executive Summary

This vulnerability involves a memory handling issue in Apple operating systems. A remote attacker could potentially trigger unexpected system termination or corrupt kernel memory by exploiting this flaw.

Detection Guidance

This vulnerability is addressed in specific macOS updates. Detection involves checking your macOS version against the patched releases: macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, or macOS Tahoe 26.6. Use the command 'sw_vers' in Terminal to check your current version.

Impact Analysis

The vulnerability may allow a remote user to cause your system to crash or corrupt critical kernel memory, leading to instability or potential data loss on affected Apple devices running vulnerable macOS versions.

Compliance Impact

The provided CVE data does not specify any direct impact on compliance with standards like GDPR or HIPAA. The vulnerability involves potential kernel memory corruption or system termination, but no details are given about data exposure or privacy implications that would affect such regulations.

Mitigation Strategies

Update to the latest patched versions of macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, or macOS Tahoe 26.6 to address the memory handling issue.

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