CVE-2026-20639
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
An integer overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3. Processing a maliciously crafted string may lead to heap corruption.
| Vendor | apple |
| Product | macos |
| Ecosystems | |
| Industries | Technology |
| Published | Mar 25, 2026 |
| Last Updated | Apr 2, 2026 |
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Affected Versions
Apple / macOS
0 < 14.8.5 0 < 15.7.5 0 < 26.3