CVE-2025-24201

CRITICAL severity · CVSS 10 · Out-of-bounds write · actively exploited (CISA KEV)

10CVSS CRITICAL ● exploited

🔴 Actively exploited in the wild (CISA Known Exploited Vulnerabilities). Added to KEV 2025-03-13. US federal agencies must patch by 2025-04-03.

Summary

An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in Safari 18.3.1, iOS 15.8.4 and iPadOS 15.8.4, iOS 16.7.11 and iPadOS 16.7.11, iOS 18.3.2 and iPadOS 18.3.2, iPadOS 17.7.6, macOS Sequoia 15.3.2, visionOS 2.3.2, watchOS 11.4. Maliciously crafted web content may be able to break out of Web Content sandbox. This is a supplementary fix for an attack that was blocked in iOS 17.2. (Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 17.2.).

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

Confidentiality impactHigh

Integrity impactHigh

Availability impactHigh

Exploit probability (EPSS)0%

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products we track (1)

Apple Safari

Recommendation

This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.

Additional information

NVD record
https://support.apple.com/en-us/122281Advisory
https://support.apple.com/en-us/122283Advisory
https://support.apple.com/en-us/122284Advisory
https://support.apple.com/en-us/122285Advisory
https://support.apple.com/en-us/122345Advisory
https://support.apple.com/en-us/122346Advisory
https://support.apple.com/en-us/122372Advisory
https://support.apple.com/en-us/122376Advisory