CVE-2026-65391High· 8.8▾ TwilightAn out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in Safari 26.6.1, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web conten…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 48.4 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.2%
— → 8.8
none → high
Last analysed / modified upstream
0.2% → 0.4%
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in Safari 26.6.1, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to memory corruption.
safari < 26.6.1ipados < 26.6.1iphone_os < 26.6.1macos < 26.6.2tvos < 27.0visionos < 27.0watchos < 27.0Upgrade past the affected range:
safari 26.6.1ipados 26.6.1iphone_os 26.6.1macos 26.6.2tvos 27.0visionos 27.0watchos 27.0Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-65390High· 8.8An integer overflow was addressed with improved input validation
CVE-2026-65332Medium· 4.3This issue was addressed through improved state management
CVE-2026-64715Medium· 6.5A use-after-free issue was addressed with improved memory management
CVE-2026-64778Medium· 6.5The issue was addressed with improved checks
CVE-2026-65338Medium· 4.3The issue was addressed with improved memory handling
CVE-2026-64753Medium· 6.5A permissions issue was addressed by removing the vulnerable code