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Vulnerability record · CVE-2019-8502 · published 18 December 2019

CVE-2019-8502: Apple iphone os improper input validation vulnerability

Apple · Iphone Os

An API issue existed in the handling of dictation requests. This issue was addressed with improved validation. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A malicious application may be able to initiate a Dictation request without user authorization.

3.3 CVSS 3.1 Low EPSS 0.80% · top 44.6% CWE-20 · Improper input validation
3.3CVSS 3.1 base score, v2 4.3
0.80%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

An API issue existed in the handling of dictation requests. This issue was addressed with improved validation. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A malicious application may be able to initiate a Dictation request without user authorization.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.apple.com/HT209599 Vendor Advisory
https://support.apple.com/HT209600 Vendor Advisory
https://support.apple.com/HT209601 Vendor Advisory
https://support.apple.com/HT209602 Vendor Advisory
https://support.apple.com/HT209599 Vendor Advisory
https://support.apple.com/HT209600 Vendor Advisory
https://support.apple.com/HT209601 Vendor Advisory
https://support.apple.com/HT209602 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-8502), CISA KEV, FIRST EPSS (scores of 2026-10-09). This page is refreshed as NVD updates the record.