About the security content of iCloud for Windows 13
This document describes the security content of iCloud for Windows 13.
About Apple security updates
For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.
Apple security documents reference vulnerabilities by CVE-ID when possible.
For more information about security, see the Apple Product Security page.
iCloud for Windows 13
CoreGraphics
Available for: Windows 10 and later via the Microsoft Store
Impact: Processing a maliciously crafted image may lead to arbitrary code execution
Description: A memory corruption issue was addressed with improved input validation.
CVE-2021-30928: Mickey Jin (@patch1t) of Trend Micro
Foundation
Available for: Windows 10 and later via the Microsoft Store
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A type confusion issue was addressed with improved memory handling.
CVE-2021-30852: Yinyi Wu (@3ndy1) of Ant Security Light-Year Lab
ImageIO
Available for: Windows 10 and later via the Microsoft Store
Impact: Processing a maliciously crafted image may lead to arbitrary code execution
Description: A memory corruption issue was addressed with improved input validation.
CVE-2021-30814: hjy79425575
ImageIO
Available for: Windows 10 and later via the Microsoft Store
Impact: Processing a maliciously crafted image may lead to arbitrary code execution
Description: This issue was addressed with improved checks.
CVE-2021-30835: Ye Zhang of Baidu Security
CVE-2021-30847: Mike Zhang of Pangu Lab
WebKit
Available for: Windows 10 and later via the Microsoft Store
Impact: An attacker in a privileged network position may be able to bypass HSTS
Description: A logic issue was addressed with improved restrictions.
CVE-2021-30823: David Gullasch of Recurity Labs
WebKit
Available for: Windows 10 and later via the Microsoft Store
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed with improved memory handling.
CVE-2021-30849: Sergei Glazunov of Google Project Zero
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