CVE-2022-22644

Contact disclosure via mishandled Contact card state

Published Mar 18, 2022 · Updated Aug 3, 2024

Information disclosure in NSSpellChecker in Apple macOS before 12.3 allows local users to read a user's contacts through a malicious app. NSSpellChecker mishandles state while processing Contact cards; Apple has not disclosed the specific erroneous state transition. Execution of a malicious local application with user interaction is required, and the reported consequence is contact disclosure only.

CVSS severity5.5
Medium
EPSS probability0.66%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in NSSpellChecker in Apple macOS before 12.3 allows local users to read a user's contacts through a malicious app. NSSpellChecker mishandles state while processing Contact cards; Apple has not disclosed the specific erroneous state transition. Execution of a malicious local application with user interaction is required, and the reported consequence is contact disclosure only.

The record

CVE
CVE-2022-22644
Published
Mar 18, 2022
Updated
Aug 3, 2024
Vendor
Apple
Product
macOS
Classifications
T1005
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 18, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record 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 <12.3

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Apple · macOSversion=unspecified <12.3

Published CVSS scores

5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
4.3NIST NVDAV:N/AC:M/Au:N/C:P/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.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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