# CVE-2026-84628: Apple iOS Keychain access bypass in Accounts

Source: https://junglewise.ai/threats/cve-2026-84628-apple-ios-keychain-access-bypass-in-accounts  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-14. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-84628 · Severity: medium · CVSS 5.5 · Published 2026-09-14

A flaw in Apple's account management system allows sandboxed apps to improperly access the System Keychain, which stores sensitive credentials and authentication tokens. An attacker could exploit this to steal user passwords, authentication tokens, and other sensitive data stored in the Keychain without proper authorization, potentially leading to account takeover and unauthorized access to user services.

Technologies: [Apple iPadOS](https://junglewise.ai/threats/technologies/ipados), [Apple Iphone Os](https://junglewise.ai/threats/technologies/iphone-os), [Apple macOS](https://junglewise.ai/threats/technologies/macos), [Apple Tvos](https://junglewise.ai/threats/technologies/tvos), [Apple Visionos](https://junglewise.ai/threats/technologies/visionos), [Apple watchOS](https://junglewise.ai/threats/technologies/watchos). Vendors: [Apple](https://junglewise.ai/threats/vendors/apple).

## Quick answers

**Is CVE-2026-84628 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-84628 being exploited in the wild.

**How severe is CVE-2026-84628?** Medium severity, with a CVSS score of 5.5, published 14 September 2026.

**Which products and versions are affected?** Apple iPadOS prior to 27; Apple macOS prior to Golden Gate 27; Apple Tvos prior to 27; Apple Visionos prior to 27; and 1 more.

**Is there a fix for CVE-2026-84628?** A patch was published on 2026-09-14: Fixed in iOS 27, iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, and watchOS 27 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-84628 attacked?** It is attacked with local access.

**Am I affected by CVE-2026-84628?** Check whether you run Apple iPadOS, Apple Iphone Os, Apple macOS or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An authorization issue in the Accounts framework was caused by improper state management, allowing a sandboxed app to bypass authorization checks and access System Keychain contents. The vulnerability affects iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. An attacker needs local code execution (sandboxed app installation) to trigger the flaw. The vulnerability was patched in iOS 27, iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, and watchOS 27 released September 14, 2026.

## Affected products

- Apple iOS prior to 27
- Apple iPadOS prior to 27
- Apple macOS prior to Golden Gate 27
- Apple tvOS prior to 27
- Apple visionOS prior to 27
- Apple watchOS prior to 27

## Timeline

- 2026-09-14: disclosed: CVE-2026-84628 disclosed as part of iOS 27 and other OS release advisories
- 2026-09-14: patched: Fixed in iOS 27, iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, and watchOS 27

## References

- [https://support.apple.com/en-us/149034](https://support.apple.com/en-us/149034)
- [https://support.apple.com/en-us/149035](https://support.apple.com/en-us/149035)

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