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7.8High KEV

CVE-2020-9859Apple Multiple Products Code Execution Vulnerability

Apple iOS; Apple macOS; Apple tvOS; Apple watchOS Published: (6 years ago)

Known exploited — Apple Multiple Products Code Execution Vulnerability

CISA confirmed this vulnerability is used in real attacks on 03.11.2021. Remediation deadline for US federal agencies: 03.05.2022.

Required action: Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2020-9859

Description

A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5.1 and iPadOS 13.5.1, macOS Catalina 10.15.5 Supplemental Update, tvOS 13.4.6, watchOS 6.2.6. An application may be able to execute arbitrary code with kernel privileges.

Weakness (CWE): CWE-415

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
Apple iOS unspecified – < iOS 13.5.1 and iPadOS 13.5.1
apple ipados < 13.5.1
apple iphone os < 13.5.1
apple mac os x < 10.15.5
Apple macOS unspecified – < macOS Catalina 10.15.5 Supplemental Update
Apple tvOS unspecified – < tvOS 13.4.6
Apple watchOS unspecified – < watchOS 6.2.6

References and patches

CPE matches (NVD) (5)
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* < 13.5.1
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* < 13.5.1
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* < 10.15.5
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* < 13.4.6
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* < 6.2.6

Recent CVEs in the same product — Apple iOS / iPadOS

5.5Medium
CVE-2026-86925
Apple iOS and iPadOS; Apple macOS; Apple visionOS

An authorization issue was addressed with improved state management. This issue is fixed in iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, visionOS 27.2. An app may be able to access sensitive user data.

7.8High
CVE-2026-84627
Apple iOS and iPadOS; Apple macOS; Apple visionOS

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7.2, visionOS 27. Processing a maliciously crafted image may lea…

Unscored
CVE-2026-86972
Apple iOS and iPadOS; Apple macOS; Apple tvOS; Apple visionOS

A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Tahoe 26.7.2, tvOS 27.2, visionOS 27.2, watchOS 27.2. Processing a maliciously crafted …

7.1High
CVE-2026-113912
Apple iOS and iPadOS; Apple macOS; Apple tvOS; Apple visionOS

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, tvOS 27.2, visionOS 27.2. Processing a mali…

Unscored
CVE-2026-86964
Apple iOS and iPadOS; Apple macOS; Apple tvOS; Apple visionOS

A null pointer dereference was addressed with improved input validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Tahoe 26.7.2, tvOS 27, visionOS 27, watchOS 27. An app may be able to cause unexpected system termination.

Unscored
CVE-2026-113904
Apple Safari; Apple iOS and iPadOS; Apple macOS; Apple tvOS

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 27.2, iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, tvOS 27.2, visionOS 27.2, watchOS 27.2. Processing maliciously crafted we…