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VulnerabilityPublished Updated

CVE-2026-65365: Apple macOS · Out-of-bounds Read

Affects Apple macOSSource CVE Database V5

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Not known to be exploited · CVSS 6.5 Medium · fixed in 27 : update Apple macOS 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.

Thin evidence

One scorer or none
CVSS scores by source
CISA-ADPCVSS 3.16.5
EPSS
0.3% chance of exploitation in 30 days – higher than 32% 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:H/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 to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
ApplemacOSAffected
  • <27
Fixed in
  • 27
ApplemacOSAffected
  • <26.7
Fixed in
  • 26.7
ApplemacOSAffected
  • <15.8
Fixed in
  • 15.8
Appleapple/macos-sequoiapkg:deb/apple/macos-sequoiaOther threatsAffected
  • <15.8
Fixed in
  • 15.8
Appleapple/macos-tahoepkg:deb/apple/macos-tahoeOther threatsAffected
  • <26.7
Fixed in
  • 26.7
Appleapple/macos-golden-gatepkg:deb/apple/macos-golden-gateOther threatsAffected
  • <27
Fixed in
  • 27

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

AI-suggested

Apple has released official fixes for this vulnerability in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Users and administrators should apply these updates to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.

Description

CVE-2026-65365 is a vulnerability in Apple macOS where connecting to a malicious SMB share may lead to disclosure of kernel memory due to an out-of-bounds read. This issue has been addressed with improved bounds checking and fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.

References

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