Unrated severityNVD Advisory· Published Mar 25, 2026· Updated Apr 2, 2026

CVE-2026-20639

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Apple Inc./macOSv5
Range: 0

Patches

Vulnerability mechanics

References

support.apple.com/en-us/126348mitre
support.apple.com/en-us/126795mitre
support.apple.com/en-us/126796mitre

News mentions

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