Norton For Mac High Sierra
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Check compatibility
You can upgrade to macOS High Sierra from OS X Mountain Lion or later on any of the following Mac models. Your Mac also needs at least 2GB of memory and 14.3GB of available storage space.
MacBook introduced in late 2009 or later
MacBook Air introduced in late 2010 or later
MacBook Pro introduced in mid 2010 or later
Mac mini introduced in mid 2010 or later
iMac introduced in late 2009 or later
Mac Pro introduced in mid 2010 or later
To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple menu . If your Mac isn't compatible with macOS High Sierra, the installer will let you know.
Make a backup
Before installing any upgrade, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.
Get connected
It takes time to download and install macOS, so make sure that you have a reliable Internet connection. If you're using a Mac notebook computer, plug it into AC power.
Norton For Mac High Sierra Ca
Download macOS High Sierra
For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of the Mac operating system.
If you still need macOS High Sierra, use this App Store link: Get macOS High Sierra.
Begin installation
After downloading, the installer opens automatically.
Click Continue and follow the onscreen instructions. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.
If the installer asks for permission to install a helper tool, enter the administrator name and password that you use to log in to your Mac, then click Add Helper.
Allow installation to complete
Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs both macOS and related updates to your Mac firmware.
Learn more
- If you have hardware or software that isn't compatible with High Sierra, you might be able to install an earlier macOS, such as Sierra or El Capitan.
- macOS High Sierra won't install on top of a later version of macOS, but you can erase your disk first or install on another disk.
- You can use macOS Recovery to reinstall macOS.
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.
macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierra
Released July 22, 2019
AppleGraphicsControl
Available for: macOS Mojave 10.14.5
Impact: An application may be able to read restricted memory
Description: A validation issue was addressed with improved input sanitization.
CVE-2019-8693: Arash Tohidi of Solita
autofs
Available for: macOS Sierra 10.12.6, macOS Mojave 10.14.5, macOS High Sierra 10.13.6
Impact: Extracting a zip file containing a symbolic link to an endpoint in an NFS mount that is attacker controlled may bypass Gatekeeper
Description: This was addressed with additional checks by Gatekeeper on files mounted through a network share.
CVE-2019-8656: Filippo Cavallarin
Bluetooth
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.5
Impact: A remote attacker may be able to cause arbitrary code execution
Description: A memory corruption issue was addressed with improved input validation.
CVE-2018-19860
Bluetooth
Available for: macOS Sierra 10.12.6, macOS Mojave 10.14.5, macOS High Sierra 10.13.6
Impact: An attacker in a privileged network position may be able to intercept Bluetooth traffic (Key Negotiation of Bluetooth - KNOB)
Description: An input validation issue existed in Bluetooth. This issue was addressed with improved input validation.
CVE-2019-9506: Daniele Antonioli of SUTD, Singapore, Dr. Nils Ole Tippenhauer of CISPA, Germany, and Prof. Kasper Rasmussen of University of Oxford, England
The changes for this issue mitigate CVE-2020-10135.
Entry added August 13, 2019, updated June 25, 2020
Carbon Core
Available for: macOS Mojave 10.14.5
Impact: A remote attacker may be able to cause arbitrary code execution
Description: A use after free issue was addressed with improved memory management.
CVE-2019-8661: Natalie Silvanovich of Google Project Zero
Core Data
Available for: macOS Mojave 10.14.5
Impact: A remote attacker may be able to leak memory
Description: An out-of-bounds read was addressed with improved input validation.
CVE-2019-8646: Natalie Silvanovich of Google Project Zero
Core Data
Apr 08, 2020 Although Logic Pro X, developed by Apple, is designed for MAC OS only nowadays Windows users can also download it and take advantage of this amazing song editing software. With this Apple software, you can easily create, edit, and mix your songs for the best results. Jul 04, 2017 Mac Pro dual 2.4 GHz. 8+8 cores for Logic. The best way to record vocals is to record them to a second internal disk, NOT to the system disk. Simply save your Logic projects to that disk, audio files will be stored/recorded to the Audio Files folder within the project folder. Best os for logic pro x. Shop for logic pro x at Best Buy. Find low everyday prices and buy online for delivery or in-store pick-up. Jun 12, 2019 Should I get Logic Pro X and install one of the new versions of OS X (If so- which OS X would work best with Logic Pro X?)-My build specs: My Build: Gigabyte GA-X58A-UD3R - i7-950 3.2GHz - Gigabyte HD 6870 1GB - 500GB Samsung SSD + 1TB Samsung HDD (for OSX), 500GB Samsung SSD + 1TB Samsung HDD (for Win 7).
Available for: macOS Mojave 10.14.5
Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution
Description: A memory corruption issue was addressed with improved input validation.
CVE-2019-8660: Samuel Groß and Natalie Silvanovich of Google Project Zero
CUPS
Available for: macOS Sierra 10.12.6, macOS Mojave 10.14.5, macOS High Sierra 10.13.6
Impact: An attacker in a privileged network position may be able to execute arbitrary code
Description: A buffer overflow issue was addressed with improved memory handling.
CVE-2019-8675: Stephan Zeisberg (github.com/stze) of Security Research Labs (srlabs.de)
CVE-2019-8696: Stephan Zeisberg (github.com/stze) of Security Research Labs (srlabs.de)
Entry added August 14, 2019, updated September 17, 2019
Disk Management
Available for: macOS Mojave 10.14.5
Impact: A malicious application may be able to execute arbitrary code with system privileges
Description: A memory initialization issue was addressed with improved memory handling.
CVE-2019-8539: ccpwd working with Trend Micro's Zero Day Initiative
Entry added September 17, 2019
Disk Management
Available for: macOS Mojave 10.14.5
Impact: An application may be able to execute arbitrary code with system privileges
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2019-8697: ccpwd working with Trend Micro’s Zero Day Initiative
FaceTime
Available for: macOS Mojave 10.14.5
Impact: A remote attacker may be able to cause arbitrary code execution
Description: A memory corruption issue was addressed with improved input validation.
CVE-2019-8648: Tao Huang and Tielei Wang of Team Pangu
Found in Apps
Available for: macOS Mojave 10.14.5
Impact: A remote attacker may be able to leak memory
Description: This issue was addressed with improved checks.
CVE-2019-8663: Natalie Silvanovich of Google Project Zero
Game Center
Available for: macOS Mojave 10.14.5
Norton For Mac Download
Impact: A local user may be able to read a persistent account identifier
Description: This issue was addressed with a new entitlement.
CVE-2019-8702: Min (Spark) Zheng and Xiaolong Bai of Alibaba Inc.
Entry added February 24, 2020
Grapher
Available for: macOS Mojave 10.14.5
Impact: An application may be able to execute arbitrary code with system privileges
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2019-8695: riusksk of VulWar Corp working with Trend Micro's Zero Day Initiative
Graphics Drivers
Available for: macOS Mojave 10.14.5, macOS High Sierra 10.13.6
Impact: An application may be able to read restricted memory
Description: A validation issue was addressed with improved input sanitization.
CVE-2019-8691: Aleksandr Tarasikov (@astarasikov), Arash Tohidi of Solita, Lilang Wu and Moony Li of Trend Micro's Mobile Security Research Team working with Trend Micro's Zero Day Initiative
CVE-2019-8692: Lilang Wu and Moony Li of Trend Micro Mobile Security Research Team working with Trend Micro's Zero Day Initiative
Entry updated July 25, 2019
Heimdal
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.5
Impact: An issue existed in Samba that may allow attackers to perform unauthorized actions by intercepting communications between services
Description: This issue was addressed with improved checks to prevent unauthorized actions.
CVE-2018-16860: Isaac Boukris and Andrew Bartlett of the Samba Team and Catalyst
IOAcceleratorFamily
Available for: macOS Mojave 10.14.5
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2019-8694: Arash Tohidi of Solita
libxslt
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.5
Impact: A remote attacker may be able to view sensitive information
Description: A stack overflow was addressed with improved input validation.
CVE-2019-13118: found by OSS-Fuzz
Quick Look
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.5
Impact: An attacker may be able to trigger a use-after-free in an application deserializing an untrusted NSDictionary
Norton For Mac 10.5.8
Description: This issue was addressed with improved checks.
CVE-2019-8662: Natalie Silvanovich and Samuel Groß of Google Project Zero
Safari
Available for: macOS Mojave 10.14.5
Impact: Visiting a malicious website may lead to address bar spoofing
Description: An inconsistent user interface issue was addressed with improved state management.
CVE-2019-8670: Tsubasa FUJII (@reinforchu)
Security
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6
Impact: An application may be able to execute arbitrary code with system privileges
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2019-8697: ccpwd working with Trend Micro’s Zero Day Initiative
sips
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6
Impact: An application may be able to execute arbitrary code with system privileges
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2019-8701: Simon Huang(@HuangShaomang), Rong Fan(@fanrong1992) and pjf of IceSword Lab of Qihoo 360
Entry added October 8, 2019
Siri
Available for: macOS Mojave 10.14.5
Impact: A remote attacker may be able to leak memory
Norton For Mac High Sierra Mac
Description: An out-of-bounds read was addressed with improved input validation.
CVE-2019-8646: Natalie Silvanovich of Google Project Zero
Time Machine
Available for: macOS Mojave 10.14.5
Impact: The encryption status of a Time Machine backup may be incorrect
Description: An inconsistent user interface issue was addressed with improved state management.
CVE-2019-8667: Roland Kletzing of cyber:con GmbH
UIFoundation
Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14.5
Impact: Parsing a maliciously crafted office document may lead to an unexpected application termination or arbitrary code execution
Description: An out-of-bounds read was addressed with improved input validation.
CVE-2019-8657: riusksk of VulWar Corp working with Trend Micro's Zero Day Initiative
WebKit
Available for: macOS Mojave 10.14.5
Impact: Processing maliciously crafted web content may lead to universal cross site scripting
Description: A logic issue existed in the handling of document loads. This issue was addressed with improved state management.
CVE-2019-8690: Sergei Glazunov of Google Project Zero
Norton Mac High Sierra
WebKit
Available for: macOS Mojave 10.14.5
Impact: Processing maliciously crafted web content may lead to universal cross site scripting
Description: A logic issue existed in the handling of synchronous page loads. This issue was addressed with improved state management.
CVE-2019-8649: Sergei Glazunov of Google Project Zero
WebKit
Available for: macOS Mojave 10.14.5
Impact: Processing maliciously crafted web content may lead to universal cross site scripting
Description: A logic issue was addressed with improved state management.
CVE-2019-8658: akayn working with Trend Micro's Zero Day Initiative
WebKit
Available for: macOS Mojave 10.14.5
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed with improved memory handling.
CVE-2019-8644: G. Geshev working with Trend Micro's Zero Day Initiative
CVE-2019-8666: Zongming Wang (王宗明) and Zhe Jin (金哲) from Chengdu Security Response Center of Qihoo 360 Technology Co. Ltd.
CVE-2019-8669: akayn working with Trend Micro's Zero Day Initiative
CVE-2019-8671: Apple
CVE-2019-8672: Samuel Groß of Google Project Zero
CVE-2019-8673: Soyeon Park and Wen Xu of SSLab at Georgia Tech
CVE-2019-8676: Soyeon Park and Wen Xu of SSLab at Georgia Tech
CVE-2019-8677: Jihui Lu of Tencent KeenLab
CVE-2019-8678: an anonymous researcher, Anthony Lai (@darkfloyd1014) of Knownsec, Ken Wong (@wwkenwong) of VXRL, Jeonghoon Shin (@singi21a) of Theori, Johnny Yu (@straight_blast) of VX Browser Exploitation Group, Chris Chan (@dr4g0nfl4me) of VX Browser Exploitation Group, Phil Mok (@shadyhamsters) of VX Browser Exploitation Group, Alan Ho (@alan_h0) of Knownsec, Byron Wai of VX Browser Exploitation
CVE-2019-8679: Jihui Lu of Tencent KeenLab
CVE-2019-8680: Jihui Lu of Tencent KeenLab
CVE-2019-8681: G. Geshev working with Trend Micro Zero Day Initiative
CVE-2019-8683: lokihardt of Google Project Zero
CVE-2019-8684: lokihardt of Google Project Zero
CVE-2019-8685: akayn, Dongzhuo Zhao working with ADLab of Venustech, Ken Wong (@wwkenwong) of VXRL, Anthony Lai (@darkfloyd1014) of VXRL, and Eric Lung (@Khlung1) of VXRL
CVE-2019-8686: G. Geshev working with Trend Micro's Zero Day Initiative
CVE-2019-8687: Apple
Norton For Mac Review
CVE-2019-8688: Insu Yun of SSLab at Georgia Tech
CVE-2019-8689: lokihardt of Google Project Zero
Additional recognition
Classroom
We would like to acknowledge Jeff Johnson of underpassapp.com for their assistance.
Game Center
We would like to acknowledge Min (Spark) Zheng and Xiaolong Bai of Alibaba Inc. for their assistance.