Vulnerability · Published Mar 25, 2026 · Assigned by apple

CVE-2026-28863

Medium 6.5

In plain English

A medium-severity improper access control in iOS and iPadOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.5%top 55.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 26.4 and iPadOS 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An app may be able to fingerprint the user.

Affected products (as reported)

Vendor	Product	Versions
Apple	iOS and iPadOS	0 – before 26.4
Apple	tvOS	0 – before 26.4
Apple	visionOS	0 – before 26.4
Apple	watchOS	0 – before 26.4

Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References

https://support.apple.com/en-us/126792
https://support.apple.com/en-us/126797
https://support.apple.com/en-us/126798
https://support.apple.com/en-us/126799