SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-8689

Multiple memory corruption issues were addressed with improved memory handling.

EXPLOIT ✓HIGH 8.8EPSS 13.6%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 13.6%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.

Description

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3, Safari 12.1.2, iTunes for Windows 12.9.6, iCloud for Windows 7.13, iCloud for Windows 10.6. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
13.64% probability · 96th percentile
Public exploits
1 in Exploit-DB · verified · first 29 August 2019
CISA KEV
Not listed
Weakness
CWE-787
Affected
apple/icloud · apple/itunes · apple/safari · apple/iphone os · apple/mac os x · apple/tvos · apple/watchos · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux workstation
Source
product-security@apple.com
EPSS trend
0%8%15%3 November 2026: 13.64%3 November 20263 November 2026

EPSS 13.6% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-47316source ↗Webkit JSC: JIT - Uninitialized Variable Access in ArgumentsEliminationPhase::transformmultiple · Google Security Researchdos29 August 2019yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.