CVE-2019-8746

CRITICAL

9.8

CVSS Score

Published: October 27, 2020 at 07:44 PM UTC

Updated: June 17, 2026 at 02:42 AM UTC

6 products affected across 1 vendormacOSiPhone OStvOS

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Severity

CRITICAL9.8

Exploit prediction

EPSS 3%

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15, iOS 13, iCloud for Windows 7.14, iCloud for Windows 10.7, tvOS 13, macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, watchOS 6, iTunes 12.10.1 for Windows. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

iCloud · Apple

95%

v < 7.1410.0 ≤ v < 10.7

Affected range stops below 10.7, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.14, so it looks safe — our inference, not a vendor statement

iPhone OS · Apple

95%

v < 13v < 13.1

Affected range stops below 13, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.1, so it looks safe — our inference, not a vendor statement

iTunes · Apple

95%

v < 12.10.1

Affected range stops below 12.10.1, so it looks safe — our inference, not a vendor statement

macOS · Apple

95%

v < 10.15v < 10.7v < 12.10v < 7.14

Affected range stops below 10.15, so it looks safe — our inference, not a vendor statement

Affected range stops below 10.7, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.10, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.14, so it looks safe — our inference, not a vendor statement

tvOS · Apple

95%

v < 13

Affected range stops below 13, so it looks safe — our inference, not a vendor statement

watchOS · Apple

95%

v < 6v < 6.0

Affected range stops below 6, so it looks safe — our inference, not a vendor statement

Affected range stops below 6.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references