Vulnerability details

CVE-2026-43750

Apple macOS
CVSS 3.1
9.8Critical

Official description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to execute arbitrary code out of its sandbox or with certain elevated privileges.

CVSS scores

ScoreVersionSourceVector
9.8Critical 3.1 CISA ADP / Vulnrichment (CISA-ADP) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
Apple macOS v < 14.8.8 CVEProject cvelistV5 (CNA)
Apple macOS v < 15.7.8 CVEProject cvelistV5 (CNA)
Apple macOS v < 26.6 CVEProject cvelistV5 (CNA)

References and advisories

3
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Details

Published
2026-07-27
Last updated
2026-07-29
State
Published
Assigner (CNA)
apple

Exploit prediction (EPSS)

0.76%
Probability of exploitation in 30 days
55.6%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-120
    Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')