Apple security updates

This document lists security updates for Apple software.

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. This document lists recent releases.

For more information about security, see the Apple Product Security page. You can encrypt communications with Apple using the Apple Product Security PGP Key.

Get the latest software updates from Apple

Keeping your software up to date is one of the most important things you can do to maintain your Apple product's security.

• The latest version of iOS is 10.3. Learn how to update the iOS software on your iPhone, iPad, or iPod touch.
• The latest version of macOS is 10.12.4. Learn how to update the software on your Mac.
• The latest version of tvOS is 10.2. Learn how to update the software on your Apple TV.
• The latest version of watchOS is 3.2. Learn how to update the software on your Apple Watch.

Apple security updates

Name and information link	Available for	Release date
macOS Server 5.3	macOS 10.12.4 and later	27 Mar 2017
tvOS 10.2	Apple TV (4th generation)	27 Mar 2017
watchOS 3.2	All Apple Watch models	27 Mar 2017
iOS 10.3	iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later	27 Mar 2017
macOS Sierra 10.12.4, Security Update 2017-001 El Capitan, and Security Update 2017-001 Yosemite	macOS Sierra 10.12.3, OS X El Capitan v10.11.6, and OS X Yosemite v10.10.5	27 Mar 2017
Safari 10.1	OS X Yosemite v10.10.5, OS X El Capitan v10.11.6, and macOS Sierra 10.12.4	27 Mar 2017
Pages 6.1, Numbers 4.1, and Keynote 7.1 for Mac and Pages 3.1, Numbers 3.1, and Keynote 3.1 for iOS	macOS 10.12 or later, iOS 10.0 or later	27 Mar 2017
iTunes 12.6 for Windows	Windows 7 and later	21 Mar 2017
iTunes 12.6	OS X Mavericks v10.9.5 and later	21 Mar 2017
Logic Pro X 10.3.1	OS X El Capitan v10.11 and later (64 bit)	21 Feb 2017
GarageBand 10.1.6	OS X Yosemite v10.10 and later	13 Feb 2017
iTunes 12.5.5 for Windows	Windows 7 and later	23 Jan 2017
Safari 10.0.3	OS X Yosemite v10.10.5, OS X El Capitan v10.11.6, and macOS Sierra 10.12.3	23 Jan 2017
iCloud for Windows 6.1.1	Windows 7 and later	23 Jan 2017
macOS Sierra 10.12.3	macOS Sierra 10.12.2	23 Jan 2017
iOS 10.2.1	iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later	23 Jan 2017
tvOS 10.1.1	Apple TV (4th generation)	23 Jan 2017
watchOS 3.1.3	All Apple Watch models	23 Jan 2017
GarageBand 10.1.5	OS X Yosemite v10.10 and later	18 Jan 2017
Logic Pro X 10.3	OS X El Capitan v10.11 and later (64 bit)	18 Jan 2017
iCloud for Windows 6.1	Windows 7 and later	13 Dec 2016
Safari 10.0.2	OS X Yosemite v10.10.5, OS X El Capitan v10.11.6, and macOS Sierra 10.12.2	13 Dec 2016
iTunes 12.5.4 for Windows	Windows 7 and later	13 Dec 2016
macOS Sierra 10.12.2, Security Update 2016-003 El Capitan, and Security Update 2016-007 Yosemite	OS X Yosemite v10.10.5, OS X El Capitan v10.11.6, and macOS Sierra 10.12.1	13 Dec 2016
tvOS 10.1	Apple TV (4th generation)	12 Dec 2016
iOS 10.2	iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later	12 Dec 2016
Transporter 1.9.2	iTunes Producer 3.1.1, OS X v10.6 and later (64 bit), Windows 7 and later (32 bit), and Red Hat Enterprise Linux (64 bit)	5 Dec 2016
iOS 10.1.1	iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later	31 Oct 2016
iTunes 12.5.2 for Windows	Windows 7 and later	27 Oct 2016
iCloud for Windows 6.0.1	Windows 7 and later	27 Oct 2016
Xcode 8.1	OS X El Capitan v10.11.5 and later	27 Oct 2016
watchOS 3.1	All Apple Watch models	24 Oct 2016
tvOS 10.0.1	Apple TV (4th generation)	24 Oct 2016
Safari 10.0.1	OS X Yosemite v10.10.5, OS X El Capitan v10.11.6, and macOS Sierra 10.12	24 Oct 2016
macOS Sierra 10.12.1, Security Update 2016-002 El Capitan, and Security Update 2016-006 Yosemite	OS X Yosemite v10.10.5, OS X El Capitan v10.11.6, and macOS Sierra 10.12	24 Oct 2016
iOS 10.1	iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later	24 Oct 2016
iOS 10.0.3	iPhone 7 and iPhone 7 Plus	17 Oct 2016
iOS 10.0.2	iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later	23 Sept 2016
iCloud for Windows 6.0	Windows 7 and later	20 Sept 2016
macOS Server 5.2	macOS Sierra 10.12	20 Sept 2016
Safari 10	OS X Yosemite v10.10.5, OS X El Capitan v10.11.6, and macOS Sierra 10.12	20 Sept 2016
macOS Sierra 10.12	OS X Lion v10.7.5 and later	20 Sept 2016
iTunes 12.5.1 for Windows	Windows 7 and later	13 Sept 2016
tvOS 10	Apple TV (4th generation)	13 Sept 2016
watchOS 3	All Apple Watch models	13 Sept 2016
Xcode 8	OS X El Capitan v10.11.5 and later	13 Sept 2016
iOS 10.0.1	iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later	13 Sept 2016
iOS 10	iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later	13 Sept 2016
Security Update 2016-001 El Capitan and Security Update 2016-005 Yosemite	OS X Yosemite v10.10.5 and OS X El Capitan v10.11.6	1 Sept 2016
Safari 9.1.3	OS X Mavericks v10.9.5 and OS X Yosemite v10.10.5	1 Sept 2016
iOS 9.3.5	iPhone 4s and later, iPad 2 and later, iPod touch (5th generation) and later	25 Aug 2016
iOS 9.3.4	iPhone 4s and later, iPad 2 and later, iPod touch (5th generation) and later	4 Aug 2016
iCloud for Windows 5.2.1	Windows 7 and later	18 July 2016
iTunes 12.4.2 for Windows	Windows 7 and later	18 July 2016
Safari 9.1.2	OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11.6	18 July 2016
tvOS 9.2.2	Apple TV (4th generation)	18 July 2016
watchOS 2.2.2	Apple Watch Sport, Apple Watch, Apple Watch Edition, and Apple Watch Hermes	18 July 2016
iOS 9.3.3	iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later	18 July 2016
OS X El Capitan v10.11.6 and Security Update 2016-004	OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11 and later	18 July 2016
AirPort Base Station Firmware Update 7.6.7 and 7.7.7	AirPort Express, AirPort Extreme, and AirPort Time Capsule base stations with 802.11n; AirPort Extreme and AirPort Time Capsule base stations with 802.11ac	20 June 2016
iTunes 12.4	Windows 7 and later	16 May 2016
Safari 9.1.1	OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11.5	16 May 2016
OS X El Capitan v10.11.5 and Security Update 2016-003	OS X El Capitan v10.11 and later	16 May 2016
watchOS 2.2.1	Apple Watch Sport, Apple Watch, Apple Watch Edition, and Apple Watch Hermes	16 May 2016
iOS 9.3.2	iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later	16 May 2016
tvOS 9.2.1	Apple TV (4th generation)	16 May 2016
Xcode 7.3.1	OS X El Capitan v10.11 and later	3 May 2016
iOS 9.3.1	iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later	31 Mar 2016
iBooks Author 2.4.1	OS X Yosemite v10.10 and later	29 Mar 2016
OS X Server 5.1	OS X El Capitan v10.11.4	21 Mar 2016
Safari 9.1	OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11.4	21 Mar 2016
OS X El Capitan v10.11.4 and Security Update 2016-002	OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11 to v10.11.3	21 Mar 2016
Xcode 7.3	OS X El Capitan v10.11 and later	21 Mar 2016
tvOS 9.2	Apple TV (4th generation)	21 Mar 2016
watchOS 2.2	Apple Watch Sport, Apple Watch, Apple Watch Edition, and Apple Watch Hermes	21 Mar 2016
iOS 9.3	iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later	21 Mar 2016
Apple Software Update 2.2	Windows 7 and later	9 Mar 2016
Apple TV 7.2.1	Apple TV (3rd generation)	25 Feb 2016
tvOS 9.1.1	Apple TV (4th generation)	25 Jan 2016
Safari 9.0.3	OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11.3	19 Jan 2016
OS X El Capitan 10.11.3 and Security Update 2016-001	OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, OS X El Capitan v10.11 to v10.11.2	19 Jan 2016
iOS 9.2.1	iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later	19 Jan 2016
QuickTime 7.7.9	Windows 7 and Windows Vista	7 Jan 2016
Security Update 2015-006 Yosemite	OS X Yosemite v10.10.5	11 Dec 2015
iTunes 12.3.2	Windows 7 and later	11 Dec 2015
Xcode 7.2	OS X Yosemite v10.10.5 and later	8 Dec 2015
Safari 9.0.2	OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11.2	8 Dec 2015
watchOS 2.1	Apple Watch Sport, Apple Watch, Apple Watch Edition, and Apple Watch Hermes	8 Dec 2015
OS X El Capitan 10.11.2, Security Update 2015-005 Yosemite, and Security Update 2015-008 Mavericks	OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, OS X El Capitan v10.11 and v10.11.1	8 Dec 2015
tvOS 9.1	Apple TV (4th generation)	8 Dec 2015
iOS 9.2	iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later	8 Dec 2015
OS X Server 5.0.15	OS X Yosemite v10.10.5, OS X El Capitan v10.11.1 and later	21 Oct 2015
Xcode 7.1	OS X Yosemite v10.10.5 and later	21 Oct 2015
Mac EFI Security Update 2015-002	OS X Mavericks v10.9.5	21 Oct 2015
iTunes 12.3.1	Windows 7 and later	21 Oct 2015
OS X El Capitan 10.11.1, Security Update 2015-004 Yosemite, and Security Update 2015-007 Mavericks	OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11	21 Oct 2015
Safari 9.0.1	OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11.1	21 Oct 2015
watchOS 2.0.1	Apple Watch Sport, Apple Watch, Apple Watch Edition, and Apple Watch Hermes	21 Oct 2015
iOS 9.1	iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later	21 Oct 2015
Keynote 6.6, Pages 5.6, Numbers 3.6, iWork for iOS 2.6	OS X Yosemite v10.10.4 and later, iOS 8.4 and later	15 Oct 2015
OS X El Capitan 10.11	Mac OS X v10.6.8 and later	30 Sept 2015
Safari 9	OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11	30 Sept 2015
iOS 9.0.2	iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later	30 Sept 2015
watchOS 2	Apple Watch Sport, Apple Watch, and Apple Watch Edition	21 Sept 2015
OS X Server v5.0.3	OS X Yosemite v10.10.5 and later	16 Sept 2015
iTunes 12.3	Windows 7 and later	16 Sept 2015
Xcode 7.0	OS X Yosemite v10.10.4 and later	16 Sept 2015
iOS 9	iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later	16 Sept 2015
QuickTime 7.7.8	Windows 7 and Windows Vista	20 Aug 2015
OS X Server v4.1.5	OS X Yosemite v10.10.5 and later	13 Aug 2015
iOS 8.4.1	iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later	13 Aug 2015
OS X Yosemite 10.10.5 and Security Update 2015-006	OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.4	13 Aug 2015
Safari 8.0.8, Safari 7.1.8, and Safari 6.2.8	OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, and OS X Yosemite v10.10.4	13 Aug 2015
QuickTime 7.7.7	Windows 7 and Windows Vista	30 June 2015
iTunes 12.2	Windows 8 and Windows 7	30 June 2015
Safari 8.0.7, Safari 7.1.7, and Safari 6.2.7	OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, and OS X Yosemite v10.10.3	30 June 2015
Mac EFI Security Update 2015-001	OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5	30 June 2015
OS X Yosemite 10.10.4 and Security Update 2015-005	OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.3	30 June 2015
iOS 8.4	iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later	30 June 2015
Watch OS 1.0.1	Apple Watch Sport, Apple Watch, and Apple Watch Edition	19 May 2015
Safari 8.0.6, Safari 7.1.6, and Safari 6.2.6	OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, and OS X Yosemite v10.10.3	06 May 2015
OS X Server 4.1	OS X Yosemite v10.10 and later	08 Apr 2015
Xcode 6.3	OS X Yosemite v10.10 and later	08 Apr 2015
Apple TV 7.2	Apple TV 3rd generation and later	08 Apr 2015
iOS 8.3	iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later	08 Apr 2015
OS X Yosemite 10.10.3 and Security Update 2015-004	OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.2	08 Apr 2015
Safari 8.0.5, Safari 7.1.5, and Safari 6.2.5	OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, and OS X Yosemite v10.10.2	08 Apr 2015
Security Update 2015-003	OS X Yosemite v10.10.2	19 Mar 2015
Safari 8.0.4, Safari 7.1.4, and Safari 6.2.4	OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, and OS X Yosemite v10.10.2	17 Mar 2015
Xcode 6.2	OS X Mavericks v10.9.4 and later	09 Mar 2015
Security Update 2015-002	OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, and OS X Yosemite v10.10.2	09 Mar 2015
Apple TV 7.1	Apple TV 3rd generation and later	09 Mar 2015
iOS 8.2	iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later	09 Mar 2015
OS X v10.10.2 and Security Update 2015-001	OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 and v10.10.1	27 Jan 2015
Safari 8.0.3, Safari 7.1.3, and Safari 6.2.3	OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10.1	27 Jan 2015
iOS 8.1.3	iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later	27 Jan 2015
Apple TV 7.0.3	Apple TV 3rd generation and later	27 Jan 2015

For information about earlier security updates, see these documents:

• Apple security updates (2014)
• Apple security updates (2013)
• Apple security updates (2011 to 2012)
• Apple security updates (2010)
• Apple security updates (15 Jan 2008 to 03 Dec 2009)
• Apple security updates (25 Jan 2005 to 21 Dec 2007)
• Apple security updates (03 Oct 2003 to 11 Jan 2005)
• Apple security updates (August 2003 and earlier)

Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement. Apple assumes no responsibility with regard to the selection, performance, or use of third-party websites or products. Apple makes no representations regarding third-party website accuracy or reliability. Risks are inherent in the use of the Internet. Contact the vendor for additional information. Other company and product names may be trademarks of their respective owners.