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1Scan for outdated or missing drivers - takes under a minute2Clear out junk files and repair common Windows errors3Fix the driver behind crashes, sound loss and screen glitchesApple says a flaw in CoreGraphics, fixed in iOS 26.7.1, may have been exploited in an extremely sophisticated attack against specific targeted individuals. The company does not say the attacks were widespread. iPhone 11 and later models are listed as eligible for the update.
What the iOS 26.7.1 security warning says
In its September 28, 2026 security advisory, Apple identifies the issue as CVE-2026-86950, a vulnerability in CoreGraphics. Apple says processing a maliciously crafted file could cause an out-of-bounds write and may lead to arbitrary code execution.
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Apple credits Meta Product Security for reporting the vulnerability. Its advisory does not identify a file type, describe an exploit chain, name any targets, or give an incident count.
What Apple says about possible exploitation
Apple’s wording is deliberately qualified: “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 27.”
#1 Best Overall
- This phone is unlocked and compatible with any carrier of choice on GSM and CDMA networks (e.g. AT&T, T-Mobile, Sprint, Verizon, US Cellular, Cricket, Metro, Tracfone, Mint Mobile, etc.).
- Please check with your carrier to verify compatibility.
- When you receive the phone, insert a SIM card from a compatible carrier. Then, turn it on, connect to Wi-Fi, and follow the on screen prompts to activate service.
- The device does not come with headphones or a SIM card. It does include a generic (Mfi certified) charger and charging cable.
- Tested for battery health and guaranteed to have a minimum battery capacity of 80%.
This is a report of possible exploitation against specific targeted individuals, not a statement that every vulnerable iPhone was attacked or that the flaw was being exploited broadly. Apple publishes no victim count or prevalence estimate in the advisory.
Which iPhones are eligible for the fix?
Apple lists iPhone 11 and later as eligible for iOS 26.7.1. The advisory does not list older iPhone models as eligible for this release.
Rank #2
- This phone is unlocked and compatible with any carrier of choice on GSM and CDMA networks (e.g. AT&T, T-Mobile, Sprint, Verizon, US Cellular, Cricket, Metro, Tracfone, Mint Mobile, etc.).
- Please check with your carrier to verify compatibility.
- When you receive the phone, insert a SIM card from a compatible carrier. Then, turn it on, connect to Wi-Fi, and follow the on screen prompts to activate service.
- The device does not come with headphones or a SIM card. It does include a generic (Mfi certified) charger and charging cable.
- Tested for battery health and guaranteed to have a minimum battery capacity of 80%.
How to install iOS 26.7.1
- Open Settings on your iPhone.
- Tap General, then Software Update.
- If iOS 26.7.1 is available for your device, follow the on-screen prompts to download and install it.
Apple says the vulnerability was addressed with improved bounds checking. The advisory lists iOS 26.7.1 as released on September 28, 2026.
Quick Recap
Rank #4
- This phone is unlocked and compatible with any carrier of choice on GSM and CDMA networks (e.g. AT&T, T-Mobile, Sprint, Verizon, US Cellular, Cricket, Metro, Tracfone, Mint Mobile, etc.).
- Please check with your carrier to verify compatibility.
- When you receive the phone, insert a SIM card from a compatible carrier. Then, turn it on, connect to Wi-Fi, and follow the on screen prompts to activate service.
- The device does not come with headphones or a SIM card. It does include a generic (Mfi certified) charger and charging cable.
- Tested for battery health and guaranteed to have a minimum battery capacity of 80%.
Rank #3
- This phone is unlocked and compatible with any carrier of choice on GSM and CDMA networks (e.g. AT&T, T-Mobile, Sprint, Verizon, US Cellular, Cricket, Metro, Tracfone, Mint Mobile, etc.).
- Please check with your carrier to verify compatibility.
- When you receive the phone, insert a SIM card from a compatible carrier. Then, turn it on, connect to Wi-Fi, and follow the on screen prompts to activate service.
- The device does not come with headphones or a SIM card. It does include a generic (Mfi certified) charger and charging cable.
- Tested for battery health and guaranteed to have a minimum battery capacity of 80%.
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