CVE-2026-64731

criticalCVSS 9.8covered by 1 sourcefirst seen 2026-07-27

A path handling issue was addressed with improved validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Tahoe 26.6. A malicious app may be able to break out of its sandbox.

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Exploitation outlook

Low exploitation risk0.47% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 38% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalCVE-2026-64731: A path handling issue was addressed with improved validation. This issue is fixed in macOS Seq…nvd · 2026-07-27

External references

NVD record for CVE-2026-64731

CVE.org record

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