Attackers were already using it in targeted attacks.<\/a> In other words, this was not just a possibility. It was happening.<\/p>\n The flaw, tracked as CVE-2026-20700, affects multiple Apple operating systems. If you have delayed updates lately, this is one you should not ignore.<\/p>\n If you own an Android or Windows PC, this is also a good reminder to check for updates.\u00a0<\/p>\n Sign up for my FREE CyberGuy Report\u00a0 APPLE PATCHES TWO ZERO-DAY FLAWS USED IN TARGETED ATTACKS<\/a><\/p>\n Apple\u2019s latest security updates affect iPhone, iPad, Mac, Apple Watch and Apple TV, so now is the time to check every device you own. (iStock)<\/p>\n What is CVE-2026-20700 and why it matters<\/p>\n CVE-2026-20700 is a memory corruption vulnerability affecting:<\/p>\n iOS 26.3iPadOS 26.3macOS Tahoe 26.3watchOS 26.3tvOS 26.3visionOS 26.3<\/p>\n In simple terms, this bug could allow an attacker to run arbitrary code on your device. That opens the door to spyware, hidden backdoors or silent takeovers without obvious warning signs. Apple says this vulnerability was used as part of an infection chain combined with two previously patched flaws against devices running older versions of iOS. Those earlier bugs were fixed in December 2025. Devices that skipped those updates remained exposed. This is how many real attacks unfold. Hackers chain vulnerabilities together and quietly move in.<\/p>\n Which devices need updating?<\/p>\n Here is a breakdown of the available updates:<\/p>\n iOS 26.3 and iPadOS 26.3 for iPhone 11 and later, plus newer iPadsiOS 18.7.5 and iPadOS 18.7.5 for iPhone XS, XS Max, XR and iPad 7th generationmacOS Tahoe 26.3, Sequoia 15.7.4, Sonoma 14.8.4tvOS 26.3 for Apple TV HD and Apple TV 4KwatchOS 26.3 for Apple Watch Series 6 and latervisionOS 26.3 for Apple Vision ProSafari 26.3 for supported macOS versions<\/p>\n If your device qualifies, update it as soon as possible.<\/p>\n Why this update deserves attention<\/p>\n Security updates<\/a> can feel routine. Many of us see the notification and decide to deal with it later. This time is different. Apple confirmed the flaw was actively exploited. That means attackers already know how to use it. Running older software gives them a window of opportunity. Updating closes that window.<\/p>\n How to update your iPhone or iPad<\/p>\n Updating takes only a few minutes.<\/p>\n Go to SettingsTap GeneralTap Software UpdateIf an update appears, tap Download and InstallTurn on Automatic Updates so you do not miss future fixes<\/p>\n Keep your device connected to Wi-Fi and power during the process.<\/p>\n APPLE WARNS MILLIONS OF IPHONES ARE EXPOSED TO ATTACK<\/a><\/p>\n Once you reach this screen on your iPhone, tap Update Now to install Apple\u2019s latest security fix immediately. (Kurt “CyberGuy” Knutsson)<\/p>\n How to update your MacClick the Apple menu in the upper left cornerChoose System Settings or System PreferencesSelect GeneralClick Software UpdateIf an update appears, select Restart Now or Update Tonight<\/p>\n Your Mac may restart<\/a> during the process. Keep it plugged in and connected to the internet until the update finishes.<\/p>\n Mac users will see options like Update Tonight or Restart Now, and installing this update closes a flaw already exploited in attacks. (Kurt “CyberGuy” Knutsson)<\/p>\n How to update Apple WatchKeep your Watch on its charger and near your iPhoneOpen the Watch app on your iPhoneTap GeneralTap Software UpdateTap Download and Install if available<\/p>\n Your Watch will restart during the update.<\/p>\n Your Apple Watch also receives critical security fixes, so keep it on the charger and update it just like your iPhone. (Kurt “CyberGuy” Knutsson)<\/p>\n How to update Apple TVOpen Settings on Apple TVGo to SystemSelect Software UpdatesChoose Update SoftwareSelect Download and Install<\/p>\n Stay connected to power and Wi Fi until the update completes.<\/p>\n How to update Safari<\/p>\n Safari updates are included with macOS updates.<\/p>\n Go to the Apple menuClick System SettingsSelect GeneralClick Software Update<\/p>\n If Safari appears separately, click Update Now and restart your Mac.<\/p>\n How to update your Apple Vision ProPut on your Vision Pro and open the Settings app.Select General from the sidebar.Tap Software Update.If an update appears for visionOS 26.3, choose Download and Install.Make sure your Vision Pro stays charged and connected to Wi-Fi until the update completes.<\/p>\n MALICIOUS MAC EXTENSIONS STEAL CRYPTO WALLETS AND PASSWORDS<\/a><\/p>\n Ways to stay safe<\/p>\n Installing this update is the most important step. Still, there are additional habits that strengthen your protection.<\/p>\n Turn on automatic updates for every Apple deviceRestart devices regularly to clear temporary processesAvoid clicking unsolicited links or attachments, and use strong antivirus software<\/a>. Get my picks for the best 2026 antivirus protection winners for your Windows, Mac, Android and iOS devices at Cyberguy.com.Remember, Apple threat notifications will never ask for passwords or verification codesBe cautious when viewing HTML-formatted emails in Apple MailConsider enabling Lockdown Mode<\/a> if you face a higher risk<\/p>\n Cybercriminals rely on hesitation. They count on us assuming we will get to the update later.<\/p>\n Kurt’s key takeaways<\/p>\n Apple moved fast to fix this vulnerability, and that is reassuring. Now it is up to us to do our part. I get it. Updates interrupt your day. They force a restart. They rarely feel urgent. But here is the thing. Installing updates is still the simplest and most effective way to protect your device from active threats. A few minutes now can prevent a serious security problem later.<\/p>\n What is your biggest reason for delaying updates, and has it ever cost you? Let us know by writing to us at Cyberguy.com.<\/p>\n
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