CVE-2019-8702

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-12-23 · updated 2026-06-17
Weakness: CWE-668

Description

This issue was addressed with a new entitlement. This issue is fixed in macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierra, iOS 12.4, tvOS 12.4. A local user may be able to read a persistent account identifier.

Affected products

Apple Iphone Os: before 12.4 — fixed in 12.4
macOS: before 10.14.6; from 10.12 before 10.12.6; from 10.13 before 10.13.6; 10.12.6, 10.12.6-security_update_2017-001, 10.12.6-security_update_2017-002, 10.12.6-security_update_2018-001, 10.12.6-security_update_2018-002, 10.12.6-security_update_2018-003 (+12) — fixed in 10.12.6, 10.13.6, 10.14.6
Apple tvOS: before 12.4 — fixed in 12.4

How to fix

Upgrade to a fixed version: Apple Iphone Os 12.4; macOS 10.12.6, 10.13.6, 10.14.6; Apple tvOS 12.4. Check the vendor advisory for mitigations.

References

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