Keep your Watch secure
Does this affect me? Issues Apple says may have been exploited, the latest security updates and the settings worth checking — in Apple's own words, with a link to every source.
8
updates with published security content for watchOS
3
issues (CVE) Apple says may have been exploited
374
CVE entries across those security notes — one fix can be listed in several updates
Counted from the updates Osnivo has recorded since 15 September 2025, as published on Apple's security releases pages.
Is my device patched?
Apple fixes these issues in software updates. Should I Update? checks your model and version against every update below and tells you what to install.
Check my deviceWhat Apple says may have been exploited
Apple's own words from its security notes, newest first. If one of these applies to your version, install the update listed.
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dyld · CVE-2026-20700
“An attacker with memory write capability may be able to execute arbitrary code. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report.”
Fixed in watchOS 26.3 · 11 Feb 2026 ↗
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WebKit · CVE-2025-43529
“Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 was also issued in response to this report.”
Fixed in watchOS 26.2 · 12 Dec 2025 ↗
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WebKit · CVE-2025-14174
“Processing maliciously crafted web content may lead to memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-43529 was also issued in response to this report.”
Fixed in watchOS 26.2 · 12 Dec 2025 ↗
Settings to check on your Watch
Each path is copied from Apple's User Guide. Open it on your Watch, check it, tick it off — ticks stay in this browser only.
of 4 checked
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Changes the passcode used to unlock Apple Watch.
Apple's wording and where it used to beSettings then Passcode then Change Passcode
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Locks Apple Watch automatically when you are not wearing it; it is on by default.
Apple's wording and where it used to beSettings then Passcode then Wrist Detection
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Erases the watch’s data after 10 consecutive unlock attempts with the wrong passcode.
Apple's wording and where it used to beSettings then Passcode then Erase Data
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Checks for and installs watchOS updates on the watch itself.
Apple's wording and where it used to beSettings then General then Software Update
Latest security updates
The newest updates Apple published security content for on watchOS.
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watchOS 27
14 Sep 2026
93 security fixes (CVE)A new major release — see what changed in watchOS 27.
Available for: Apple Watch Series 9 and later
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watchOS 26.6
27 Jul 2026
106 security fixes (CVE)This update provides bug fixes and security updates for your Apple Watch.
Available for: Apple Watch Series 6 and later
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watchOS 26.5
11 May 2026
46 security fixes (CVE)This update introduces a new Pride Luminance watch face available to add from the Face Gallery, along with enhancements, bug fixes, and security updates for your Apple Watch
More from Apple's release notes
- This update includes the following enhancements and bug fixes:
- Pride Luminance watch face that dynamically refracts a spectrum of colors, is available to add from the Face Gallery
- Fixes an issue where Messages on Apple Watch may use SMS instead of iMessage when paired with a dual SIM iPhone
- Fixes an issue where Workout app audio alerts could fail to play if the phone was not nearby Apple Watch
Available for: Apple Watch Series 6 and later
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watchOS 26.4
24 Mar 2026
25 security fixes (CVE)This update introduces 8 new emoji, along with other features, bug fixes, and security updates for your Apple Watch
More from Apple's release notes
- This update also includes the following enhancements:
- Support for AirPods Max 2
- Workout type icon in the Workout app lets you start a workout with a single tap
- 8 new emoji including an orca, trombone, landslide, ballet dancer, and distorted face are available in the emoji keyboard
Available for: Apple Watch Series 6 and later
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watchOS 26.3
11 Feb 2026
Apple: an issue may have been exploited 19 security fixes (CVE)This update provides important bug fixes and is recommended for all users.
Available for: Apple Watch Series 6 and later
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watchOS 26.2
12 Dec 2025
Apple: 2 issues may have been exploited 26 security fixes (CVE)This update provides improvements and bug fixes, including:
More from Apple's release notes
- Sleep app adds sleep score notification controls and refinements to classifications
- Enhanced Safety Alerts can inform you about imminent threats such as floods, natural disasters, and other emergencies, with rich information like a map of affected areas and links to additional safety guidance (available in the US)
- Fixes an issue where the Music app might fail to advance to the next song
Available for: Apple Watch Series 6 and later
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watchOS 26.1
3 Nov 2025
35 security fixes (CVE)This update includes improvements and bug fixes.
Available for: Apple Watch Series 6 and later
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watchOS 26
15 Sep 2025
24 security fixes (CVE)A new major release — see what changed in watchOS 26.
Available for: Apple Watch Series 6 and later
Sources for this page
- 1 Apple security releases support.apple.com
- 1 About the security content of watchOS 26.3 support.apple.com
- 1 About watchOS 26 Updates support.apple.com
- 1 About the security content of watchOS 26.2 support.apple.com
- 1 About the security content of watchOS 27 support.apple.com
- 1 About watchOS 27 Updates support.apple.com
- 1 About the security content of watchOS 26.6 support.apple.com
- 1 About the security content of watchOS 26.5 support.apple.com
- 1 About the security content of watchOS 26.4 support.apple.com
- 1 About the security content of watchOS 26.1 support.apple.com
- 1 About the security content of watchOS 26 support.apple.com