CVE-2025-31277High· 8.8▾ Abyssal⚠ Exploited in the wildPoC availableThe issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to memory…
▾ Abyssal zone — Critical with a public exploit or in-the-wild use
impact 48.4 · likelihood 0.3 · exploitation 25
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Public exploit / PoC code seen in 1 source. Availability, not in-the-wild use.
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 Jul 4.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Federal remediation due Apr 3, 2026
1.5%
1.5% → 1.5%
1 GitHub repo
Last analysed / modified upstream
Added to the CISA catalog on Mar 20, 2026. Federal remediation due Apr 3, 2026. View catalog ↗
The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to memory corruption.
safari < 18.6ipados < 18.6iphone_os < 18.6macos >= 15.0, < 15.6tvos < 18.6visionos < 2.6watchos < 11.6webkitgtk < 2.50.0wpe_webkit < 2.50.0enterprise_linux = 6.0enterprise_linux = 7.0enterprise_linux = 8.0enterprise_linux = 9.0enterprise_linux_aus = 8.2enterprise_linux_aus = 8.4enterprise_linux_aus = 8.6enterprise_linux_els = 7.0enterprise_linux_eus = 8.4enterprise_linux_eus = 8.6enterprise_linux_eus = 9.4enterprise_linux_tus = 8.6enterprise_linux_tus = 8.8enterprise_linux_update_services_for_sap_solutions = 8.6enterprise_linux_update_services_for_sap_solutions = 8.8enterprise_linux_update_services_for_sap_solutions = 9.0enterprise_linux_update_services_for_sap_solutions = 9.2Upgrade past the affected range:
safari 18.6ipados 18.6iphone_os 18.6macos 15.6tvos 18.6visionos 2.6watchos 11.6webkitgtk 2.50.0wpe_webkit 2.50.0Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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