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VulnerabilityPublished Updated

CVE-2026-43697: An out-of-bounds read was addressed with improved bounds checking

Source GCVE Database

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Authoritative record:CVE-2026-43697· Medium 4.3

Not known to be exploited · CVSS 4.3 Medium · fixed in 27 : update macOS when convenient.

Data as of 30 Oct 2026, 06:59 UTC

CVSS 3.1 base score
4.3Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CISA-ADPCVSS 3.14.3
EPSS
0.3% chance of exploitation in 30 days – higher than 24% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 27, 26.7, 15.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 14 Sep 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 macOS to 27, 26.7 or 15.8.

Affected software

ProductAffectedFixed in
ApplemacOSAffected
  • <27
Fixed in
  • 27
ApplemacOSAffected
  • <26.7
Fixed in
  • 26.7
ApplemacOSAffected
  • <15.8
Fixed in
  • 15.8

AI-suggested

The vulnerability is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Users and administrators should update to these versions or later to remediate the issue. Patch status beyond these versions is not explicitly stated; check vendor advisories for the latest updates.

Description

An out-of-bounds read vulnerability was identified and addressed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. The flaw could be triggered by processing a maliciously crafted 3D file, potentially causing an out-of-bounds read. The issue has been fixed by improved bounds checking in these versions.

References

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