User-sensitive data disclosure via undisclosed Single Sign-On checks
Published Sep 14, 2026 · Updated Sep 14, 2026
Information disclosure in Single Sign-On in iOS, iPadOS, macOS, and visionOS before 26.6 allows attackers to access user-sensitive data. Apple states only that improved checks addressed the issue and has not disclosed which Single Sign-On check accepts an unauthorized app request. Exploitation requires an app to run locally; the disclosed consequence is limited to unauthorized access to user-sensitive data.
Summary
What happened
Information disclosure in Single Sign-On in iOS, iPadOS, macOS, and visionOS before 26.6 allows attackers to access user-sensitive data. Apple states only that improved checks addressed the issue and has not disclosed which Single Sign-On check accepts an unauthorized app request. Exploitation requires an app to run locally; the disclosed consequence is limited to unauthorized access to user-sensitive data.
The record
- CVE
- CVE-2026-43762
- Published
- Sep 14, 2026
- Updated
- Sep 14, 2026
- Vendor
- Apple
- Product
- iOS and iPadOS
- Classifications
- T1005
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- Sep 14, 2026CVE publishedPublication date reported by the CVE source.
- Sep 14, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <26.6
What conditions does exploitation require?
What is affected?
Published CVSS scores
No CVSS assessment is available in this record.
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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