Vulnerability Details CVE-2026-43748
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 4.8%
CVSS Severity
CVSS v3 Score 9.8
Products affected by CVE-2026-43748
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cpe:2.3:o:apple:macos:15.0
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cpe:2.3:o:apple:macos:15.1
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cpe:2.3:o:apple:macos:15.1.1
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cpe:2.3:o:apple:macos:15.2
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cpe:2.3:o:apple:macos:15.3
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cpe:2.3:o:apple:macos:15.3.1
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cpe:2.3:o:apple:macos:15.3.2
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cpe:2.3:o:apple:macos:15.4
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cpe:2.3:o:apple:macos:15.4.1
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cpe:2.3:o:apple:macos:15.5
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cpe:2.3:o:apple:macos:15.6
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cpe:2.3:o:apple:macos:15.6.1
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cpe:2.3:o:apple:macos:15.7
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cpe:2.3:o:apple:macos:15.7.1
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cpe:2.3:o:apple:macos:15.7.2
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cpe:2.3:o:apple:macos:15.7.3
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cpe:2.3:o:apple:macos:15.7.4
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cpe:2.3:o:apple:macos:15.7.5
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cpe:2.3:o:apple:macos:15.7.7
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cpe:2.3:o:apple:macos:26.0
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cpe:2.3:o:apple:macos:26.0.0
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cpe:2.3:o:apple:macos:26.1
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cpe:2.3:o:apple:macos:26.2
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cpe:2.3:o:apple:macos:26.3
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cpe:2.3:o:apple:macos:26.3.1
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cpe:2.3:o:apple:macos:26.4
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cpe:2.3:o:apple:macos:26.5