Medium severity5.5NVD Advisory· Published Oct 27, 2020· Updated Jun 17, 2026

CVE-2018-4391

Description

An inconsistent user interface issue was addressed with improved state management. This issue is fixed in macOS High Sierra 10.13.1, Security Update 2017-001 Sierra, and Security Update 2017-004 El Capitan, watchOS 4.3, iOS 12.1. Processing a maliciously crafted text message may lead to UI spoofing.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Apple Inc./macOSv5
Range: unspecified
Apple Inc./iOSllm-fuzzy
Range: before 12.1
Apple Inc./Security Updatellm-fuzzy
Range: Security Update 2017-001 Sierra, Security Update 2017-004 El Capitan
Apple Inc./macOS High Sierrallm-fuzzy
Range: before 10.13.1
Apple Inc./watchOSllm-fuzzy2 versions
before 4.3+ 1 more
- (no CPE)range: before 4.3
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <4.3
Apple Inc./Iphone OS
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Range: <12.1
Apple Inc./Mac OS X
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
Range: >=10.13,<10.13.1

Patches

Vulnerability mechanics

References

support.apple.com/en-us/HT208221nvdVendor Advisory
support.apple.com/en-us/HT208696nvdVendor Advisory
support.apple.com/en-us/HT209192nvdVendor Advisory

News mentions

No linked articles in our index yet.

cvss	0.358
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000