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VulnerabilityPublished Updated

CVE-2023-42909: Apple macOS · Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code

Affects Apple macOSSource CVE Database V5

0

Not known to be exploited : upgrade to 14.2 soon.

Data as of 26 Oct 2026, 14:05 UTC

Severity
High

Rated High by the CNA (apple) · No CVSS score from NVD or the CNA

EPSS
0.3% chance of exploitation in 30 days – higher than 23% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 14.2

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 12 Dec 2023

  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 26 Oct 2026.

What to do

Upgrade apple/macos to 14.2.

Affected software

ProductAffectedFixed in
Appleapple/macospkg:deb/apple/macosOther threatsAffected
  • <14.2
Fixed in
  • 14.2

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Update macOS to version 14.2 or later, where these vulnerabilities have been fixed. No other mitigation is required as the official fix addresses the issue.

Description

Multiple memory corruption vulnerabilities in macOS were addressed with improved input validation. Processing a maliciously crafted file could cause unexpected application termination or allow arbitrary code execution. These issues are fixed in macOS Sonoma 14.2.

References

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