0.0
NA
CVE-2026-28860
Apple Keychain Key Modification Vulnerability (Local)
Description

The issue was addressed with improved input validation. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. A local attacker may be able to modify the state of the Keychain.

INFO

Published Date :

May 11, 2026, 9:18 p.m.

Last Modified :

May 11, 2026, 9:18 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-28860 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apple macos
2 Apple iphone_os
3 Apple tvos
4 Apple watchos
5 Apple ipados
6 Apple visionos
Solution
Update devices to latest versions to fix Keychain state modification vulnerability.
  • Update iOS to 18.7.7 or later.
  • Update iPadOS to 18.7.7 or later.
  • Update macOS to Sonoma 14.8.5 or later.
  • Update other Apple devices as specified.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-28860 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-28860 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-28860 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-28860 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    May. 11, 2026

    Action Type Old Value New Value
    Added Description The issue was addressed with improved input validation. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. A local attacker may be able to modify the state of the Keychain.
    Added Reference https://support.apple.com/en-us/126792
    Added Reference https://support.apple.com/en-us/126793
    Added Reference https://support.apple.com/en-us/126794
    Added Reference https://support.apple.com/en-us/126795
    Added Reference https://support.apple.com/en-us/126796
    Added Reference https://support.apple.com/en-us/126797
    Added Reference https://support.apple.com/en-us/126798
    Added Reference https://support.apple.com/en-us/126799
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.