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.
For more information about security, see the Apple Product Security page. You can encrypt communications with Apple using the Apple Product Security PGP Key.
Apple security documents reference vulnerabilities by CVE-ID when possible.
iCloud for Windows 7.9
Released December 5, 2018
Safari
Available for: Windows 7 and later
Impact: Visiting a malicious website may lead to address bar spoofing
Description: A logic issue was addressed with improved state management.
CVE-2018-4440: Wenxu Wu of Tencent Security Xuanwu Lab (xlab.tencent.com)
Safari
Available for: Windows 7 and later
Impact: Visiting a malicious website may lead to user interface spoofing
Description: A logic issue was addressed with improved validation.
CVE-2018-4439: xisigr of Tencent's Xuanwu Lab (tencent.com)
WebKit
Available for: Windows 7 and later
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed with improved memory handling.
CVE-2018-4437: HyungSeok Han, DongHyeon Oh, and Sang Kil Cha of KAIST Softsec Lab, Korea
CVE-2018-4464: HyungSeok Han, DongHyeon Oh, and Sang Kil Cha of KAIST Softsec Lab, Korea
WebK it
Available for: Windows 7 and later
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2018-4441: lokihardt of Google Project Zero
CVE-2018-4442: lokihardt of Google Project Zero
CVE-2018-4443: lokihardt of Google Project Zero
WebKit
Available for: Windows 7 and later
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A logic issue existed resulting in memory corruption. This was addressed with improved state management.
CVE-2018-4438: lokihardt of Google Project Zero, Qixun Zhao of Qihoo 360 Vulcan Team
Entry updated January 22, 2019