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CVE-2025-43403VulnerabilityPublished Updated

CVE-2025-43403: Apple macOS · An app may be able to access sensitive user data

Affects Apple macOSSource CVE Database V5

0

Not known to be exploited · CVSS 5.5 Medium · fixed in 26 : update Apple macOS when convenient.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
5.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 9% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 26, 15.7.4, 14.8.4
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Feb 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 2026-10-26.

What to do

Upgrade Apple macOS to 26, 15.7.4 or 14.8.4.

Affected software

ProductAffectedFixed in
ApplemacOSAffected
  • <14.8.4
  • <15.7.4
  • <26
Fixed in
  • 26
  • 15.7.4
  • 14.8.4

AI-suggested

Apple has released official fixes in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, and macOS Tahoe 26. Applying these updates will remediate the vulnerability. Users and administrators should update affected systems to these versions or later to ensure protection.

Description

An authorization issue was addressed with improved state management. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26. An app may be able to access sensitive user data.

References

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