HIGHCVSS v3.1 7.8Actively exploited · CISA KEV since 2021-11-03Vulnerability

CVE-2020-9859

Apple iOS, iPadOS, macOS, watchOS, and tvOS contain an unspecified vulnerability that may allow an application to execute code with kernel privileges.

Properties

Euvd product
IOS, macOS, watchOS, tvOS
Vulnerability name
Apple Multiple Products Code Execution Vulnerability
First seen
2025-10-21T23:35:42+00:00
Cvss score
7.8
Epss score
0.00829
Last seen
2026-10-19T12:00:27+00:00
Due date
2022-05-03
Euvd assigner
apple
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2021-11-03T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2021-11-03
Score
7.8
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Apple, Cisco
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
7.8

Related Entities (8)

AFFECTS_PRODUCT (5)

→[Product]cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*

DESCRIBES (1)

←[KEVEntry]Apple Multiple Products Code Execution Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Double Free

INVOLVES (1)

←[Signal]kev_added · 2021-11-03

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CVE-2020-9859 (CVSS v3.1 7.8) — Ninja Signal Threat Intelligence | Ninja Signal