Full Report
Apple released emergency software patches Tuesday that address a newly identified zero-day vulnerability in the company’s WebKit web browser engine. Tracked as CVE-2025-24201, an attacker can potentially escape the constraints of Webkit’s Web Content sandbox, potentially leading to unauthorized actions. The sandbox is a security feature that isolates untrusted web content in order to prevent […] The post Apple discloses zero-day vulnerability, releases emergency patches appeared first on CyberScoop.
Analysis Summary
# Vulnerability: Apple WebKit Sandbox Escape Zero-Day
## CVE Details
- CVE ID: CVE-2025-24201
- CVSS Score: Not explicitly stated, but described as "extremely sophisticated" and used in targeted attacks against individuals.
- CWE: Sandbox Evasion (Inferred, based on escaping the content sandbox)
## Affected Systems
- Products: Apple WebKit engine (used in Safari browser and other applications utilizing WebKit) across multiple operating systems.
- Versions: Prior to the patched versions listed below.
- Configurations: Affects systems running vulnerable versions of macOS, iOS, iPadOS, and visionOS utilizing the affected WebKit component.
## Vulnerability Description
This is a zero-day vulnerability residing in Apple's WebKit web browser engine. Exploitation allows an attacker to potentially escape the constraints of the Web Content sandbox. The sandbox is designed to isolate untrusted web content, meaning a successful exploit could allow malicious code to execute actions outside the isolated environment and access critical parts of the system. Apple characterized it as an "extremely sophisticated" attack.
## Exploitation
- Status: Used in attacks on "specific targeted individuals" prior to patching (In the Wild / Targeted Exploitation).
- Complexity: High (Inferred due to the description "extremely sophisticated").
- Attack Vector: Network (Delivered via rich web content processed by WebKit).
## Impact
- Confidentiality: High (Potential for unauthorized access to system data).
- Integrity: High (Potential for unauthorized modification of system state).
- Availability: Medium (Potential for system instability or denial of service, though primary goal appears to be access).
## Remediation
### Patches
Apple released emergency software patches to resolve this vulnerability:
- iOS 18.3.2
- iPadOS 18.3.2
- macOS Sequoia 15.3.2
- visionOS 2.3.2
- Safari 18.3.1
### Workarounds
No specific workarounds were detailed in the provided summary beyond immediately applying the security updates.
## Detection
- Indicators of compromise (IOCs) were not publicly disclosed, as Apple withheld exploitation details to prevent aiding malicious actors.
- Detection should focus on ensuring all affected systems/applications are updated immediately to the patched versions.
## References
- Vendor Advisories: More information regarding the patches is available on Apple’s website (support dot apple dot com slash en-us slash 100100).
- Relevant Links:
- Article Source: cyber scoop dot com slash apple-zero-day-patch-march-2025-cve-2025-24201