Apple iOS/iPadOS/macOS up to 18.7.8/26.4 File memory corruption

Summaryinfo

A vulnerability was found in Apple iOS, iPadOS and macOS up to 18.7.8/26.4. It has been classified as critical. Affected is an unknown function of the component File Handler. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2026-28941. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple iOS, iPadOS and macOS up to 18.7.8/26.4. This issue affects an unknown code block of the component File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The issue was addressed with improved checks. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Tahoe 26.5. Processing a maliciously crafted file may lead to a denial-of-service or potentially disclose memory contents.

The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2026-28941 since 03/03/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $25k-$100k at the moment (estimation calculated on 05/12/2026).

Upgrading to version 18.7.9 or 26.5 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Smartphone Operating System

Vendor

• Apple

Name

• iOS
• iPadOS
• macOS

Version

• 18.7.0
• 18.7.1
• 18.7.2
• 18.7.3
• 18.7.4
• 18.7.5
• 18.7.6
• 18.7.7
• 18.7.8
• 26.0
• 26.1
• 26.2
• 26.3
• 26.4

License

• commercial

Website

• Vendor: https://www.apple.com/

CPE 2.3info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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