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VulnerabilityPublished Updated

CVE-2024-40857: This issue was addressed through improved state management

Source GCVE Database

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Authoritative record:CVE-2024-40857· Medium 6.1

Not known to be exploited · CVSS 6.1 Medium.

Data as of 4 Nov 2026, 17:17 UTC

CVSS 3.1 base score
6.1Medium
How severe the flaw is on the 0–10 CVSS scale.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Sep 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 4 Nov 2026.

What to do

AI-suggested

The vulnerability is fixed in Safari 18, visionOS 2, watchOS 11, macOS Sequoia 15, iOS 18, iPadOS 18, and tvOS 18. Users and administrators should ensure their devices and software are updated to these versions or later to mitigate this issue.

Description

CVE-2024-40857 is a vulnerability fixed by improved state management in Apple products including Safari 18, visionOS 2, watchOS 11, macOS Sequoia 15, iOS 18, iPadOS 18, and tvOS 18. The flaw allows processing of maliciously crafted web content that may lead to universal cross-site scripting (UXSS). The vulnerability has a medium severity rating with a CVSS score of 6.1.

References

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