CVE-2026-84518

🔶 medium

Summary

This issue was addressed through improved state management. This issue is fixed in Safari 27, iOS 27 and iPadOS 27, macOS Golden Gate 27. A malicious website may be able to determine what apps a user has installed.

CVSS Score

4.3

Medium

EPSS Score

0.3

Exploit Probability

Published Date

2026-09-14

First Seen: 2026-09-16

📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 5.3% of all 358,566 vulnerabilities in our database.

#339,445

Below average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: Sep 14, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Partial

Limited system impact

SSVC data provided by CISA

Last Modified 2026-09-16

Source NVD 🔗

CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

CWE IDs (Weakness Types)

CWE-642

📦 Affected Products 4

Vendor	Product	Status	Affected Versions
apple	safari	Affected	< 27.0
apple	iphone_os	Affected	< 27.0
apple	ipados	Affected	< 27.0
apple	macos	Affected	< 27.0

🔗 References 3

https://support.apple.com/en-us/149034

Release Notes Vendor Advisory

https://support.apple.com/en-us/149035

Release Notes Vendor Advisory

https://support.apple.com/en-us/149039

Release Notes Vendor Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-64753	🔶 medium	6.5	0.3	A permissions issue was addressed by removing the vulnerable code. This issue is fixed in Safari 27, iOS 27 and iPadOS 2...	2026-09-14
CVE-2026-65390	⚠️ high	8.8	0.4	An integer overflow was addressed with improved input validation. This issue is fixed in Safari 26.6.1, iOS 26.6.1 and i...	2026-09-14
CVE-2026-65391	⚠️ high	8.8	0.4	An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in Safari 26.6.1, iOS 26.6...	2026-09-14
CVE-2026-28960	⚠️ high	7.5	0.4	A denial-of-service issue was addressed with improved validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10....	2026-09-14
CVE-2026-43664	🔶 medium	5.5	0.2	This issue was addressed with improved data protection. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPad...	2026-09-14
CVE-2026-43684	⚠️ high	7.8	0.2	A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 26.7 and iPadOS 26.7, m...	2026-09-14

These CVEs affect the same products