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VulnerabilityPublished Updated

CVE-2026-20646: Apple macOS · Sensitive Data in Logs

Affects Apple macOSSource CVE Database V5

0

Not known to be exploited · CVSS 3.3 Low : upgrade to 26.3 when convenient.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
3.3Low
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 3% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 26.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/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 26 Oct 2026.

What to do

Upgrade Apple macOS to 26.3.

Affected software

ProductAffectedFixed in
ApplemacOSAffected
  • <26.3
Fixed in
  • 26.3

AI-suggested

To mitigate CVE-2026-20646, organizations and users should promptly update affected macOS systems to version Tahoe 26.3 or later, where the logging issue has been fixed with improved data redaction. Restricting local access to trusted users and employing endpoint protection solutions can reduce the risk of malicious apps gaining the necessary privileges to exploit this vulnerability. Implementing strict application whitelisting and monitoring for unauthorized local applications can further minimize exposure. Additionally, organizations should audit and limit logging configurations to avoid unnecessary sensitive data capture and ensure logs are securely stored and access-controlled. Regularly reviewing and updating privacy settings related to location services on macOS devices can also help reduce the risk of sensitive location data exposure.

Description

A logging issue was addressed with improved data redaction. This issue is fixed in macOS Tahoe 26.3. A malicious app may be able to read sensitive location information.

References

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