CVE-2026-28907

⚠️ high

Summary

The issue was addressed with improved input validation. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may prevent Content Security Policy from being enforced.

CVSS Score

8.1

High

EPSS Score

0.1

Exploit Probability

Published Date

2026-05-11

First Seen: 2026-05-12

📊 Relative Risk Intelligence

This CVE is High Risk - more severe than 77.0% of all 342,933 vulnerabilities in our database.

#78,786

Top 25% most severe

Severity Percentile

🎯 CISA SSVC Assessment Updated: May 13, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Total

Complete system compromise possible

SSVC data provided by CISA

Last Modified 2026-05-14

Source NVD 🔗

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

CWE IDs (Weakness Types)

CWE-20 CWE-116

📦 Affected Products 8

Vendor	Product	Status	Affected Versions
apple	iphone_os	Affected	< 18.7.9
apple	iphone_os	Affected	> 26.0 < 26.5
apple	watchos	Affected	< 26.5
apple	tvos	Affected	< 26.5
apple	ipados	Affected	< 18.7.9
apple	ipados	Affected	> 26.0 < 26.5
apple	macos	Affected	> 26.0 < 26.5
apple	visionos	Affected	< 26.5

🔗 References 7

https://support.apple.com/en-us/127110

Release Notes Vendor Advisory

https://support.apple.com/en-us/127111

Release Notes Vendor Advisory

https://support.apple.com/en-us/127115

Release Notes Vendor Advisory

https://support.apple.com/en-us/127118

Release Notes Vendor Advisory

https://support.apple.com/en-us/127119

Release Notes Vendor Advisory

https://support.apple.com/en-us/127120

Release Notes Vendor Advisory

https://support.apple.com/en-us/127121

Release Notes Vendor Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-65400	⚠️ high	7.1	0.3	An authentication issue was addressed with improved state management. This issue is fixed in macOS Sequoia 15.7.9, macOS...	2026-08-06
CVE-2026-28928	⛔ critical	9.8	0.4	A use after free issue was addressed with improved memory management. This issue is fixed in iOS 26.6 and iPadOS 26.6, m...	2026-07-27
CVE-2026-28931	⚠️ high	8.8	0.3	A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Ta...	2026-07-27
CVE-2026-28973	⚠️ high	8.6	0.1	An integer overflow was addressed with improved input validation. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS...	2026-07-27
CVE-2026-43673	⚠️ high	7.8	0.1	The issue was addressed with improved memory handling. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15...	2026-07-27
CVE-2026-43711	⚠️ high	7.8	0.1	A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 26.6 and iPadOS 26.6, ...	2026-07-27

These CVEs affect the same products