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VulnerabilityPublished Updated

CVE-2026-28844: Apple macOS · An attacker may gain access to protected parts of the file system

Affects Apple macOSSource CVE Database V5

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Not known to be exploited · CVSS 6.5 Medium : upgrade to 26.4 when convenient.

Data as of 30 Oct 2026, 06:59 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 28% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 26.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 Mar 2026

  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 29 Oct 2026.

What to do

Upgrade Apple macOS to 26.4.

Affected software

ProductAffectedFixed in
ApplemacOSAffected
  • <26.4
Fixed in
  • 26.4

AI-suggested

A fix is available in macOS Tahoe 26.4. Users and administrators should apply this update to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.

Description

A file access issue was addressed with improved input validation. This issue is fixed in macOS Tahoe 26.4. An attacker may gain access to protected parts of the file system.

References

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