January 24, 2026—KB5078135 (OS Build 26100.32236) Out-of-band

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May 24, 2023—KB5026446 (OS Build 22621.1778) Preview

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The vulnerability of the OneDrive for iOS file storage service lies in the lack of protection for service-related data, which allows a perpetrator to disclose protected information.

The vulnerability of the OneDrive for iOS file storage service is related to the lack of protection for service-related data. Exploiting this vulnerability can allow a malicious actor to disclose protected information...