SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-4361

A memory consumption issue was addressed with improved memory handling.

HIGH 8.8EPSS 2.17%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A memory consumption issue was addressed with improved memory handling. This issue affected versions prior to iOS 12, tvOS 12, watchOS 5, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.

CVSS 3.0
8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
2.17% probability · 82th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
apple/safari · apple/iphone os · apple/tvos · apple/watchos · apple/icloud · apple/itunes
Source
product-security@apple.com
EPSS trend
0%3%5%28 October 2026: 2.17%28 October 202628 October 2026

EPSS 2.2% since 28 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

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