CVE-2023-29497

Calendar data disclosure via mishandled temporary files

Published Sep 26, 2023 · Updated Nov 4, 2025

Privacy flaw in Calendar in Apple macOS before 14 allows local users to access calendar data saved in a temporary directory. Calendar mishandles temporary files containing calendar data, but Apple has not disclosed the affected file operation, path, or permission failure. Exploitation requires a user to run an app locally; the reported consequence is access to calendar data, with no integrity or availability impact.

CVSS severity3.3
Low
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Privacy flaw in Calendar in Apple macOS before 14 allows local users to access calendar data saved in a temporary directory. Calendar mishandles temporary files containing calendar data, but Apple has not disclosed the affected file operation, path, or permission failure. Exploitation requires a user to run an app locally; the reported consequence is access to calendar data, with no integrity or availability impact.

The record

CVE
CVE-2023-29497
Published
Sep 26, 2023
Updated
Nov 4, 2025
Vendor
Apple
Product
macOS
Classifications
T1005
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 26, 2023CVE publishedPublication date reported by the CVE source.
  2. Nov 4, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <14

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Apple · macOSversion=unspecified <14

Published CVSS scores

3.3NIST NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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