Full Report
Meta-spotted flaw could hand attackers arbitrary code execution via a maliciously crafted file
Analysis Summary
# Vulnerability: Apple CoreGraphics Out-of-Bounds Write
## CVE Details
- **CVE ID:** CVE-2026-86950
- **CVSS Score:** Not explicitly listed in text (Estimated High/Critical based on Remote Code Execution impact)
- **CWE:** CWE-787 (Out-of-bounds Write)
## Affected Systems
- **Products:** iOS and iPadOS
- **Versions:** Versions prior to iOS 26.7.1 and iPadOS 26.7.1 (specifically targeting versions before iOS 27).
- **Configurations:** Devices processing maliciously crafted image/graphics files via the CoreGraphics framework. Affected hardware includes:
- iPhone 11 and later
- iPad Pro 12.9-inch (3rd gen and later)
- iPad Pro 11-inch (1st gen and later)
- iPad Air (3rd gen and later)
- iPad (8th gen and later)
- iPad mini (5th gen and later)
## Vulnerability Description
CVE-2026-86950 is an out-of-bounds write vulnerability within the **CoreGraphics** framework. The flaw is triggered when the system processes a "maliciously crafted file" (typically an image or document). Due to insufficient bounds checking, the system writes data outside the intended buffer memory, which can lead to memory corruption and allow an attacker to achieve arbitrary code execution (ACE).
## Exploitation
- **Status:** **Exploited in the wild.** Reported as being used in "extremely sophisticated" targeted attacks against specific individuals.
- **Complexity:** High (characterized by Apple as a sophisticated attack).
- **Attack Vector:** Local/Network (via file delivery—e.g., messaging, email, or web download).
## Impact
- **Confidentiality:** High (Arbitrary code execution allows full data access).
- **Integrity:** High (Ability to modify system files and application data).
- **Availability:** High (Potential for system crashes or persistent compromise).
## Remediation
### Patches
Apple has released the following updates to address the flaw through improved bounds checking:
- **iOS 26.7.1**
- **iPadOS 26.7.1**
### Workarounds
- No official functional workarounds provided. Users are advised to avoid opening suspicious files or attachments from unknown sources until the patch is applied.
## Detection
- **Indicators of Compromise:** Unusual device behavior, unexpected crashes when viewing images/PDFs, or unauthorized modifications to system settings.
- **Detection Methods:** Security teams should monitor for exploitation attempts involving malformed media files. Use Mobile Device Management (MDM) to ensure all devices are updated to the latest OS version.
## References
- Apple Security Advisory: hxxps[://]support[.]apple[.]com/en-us/149226
- Reporting Organization: Meta Product Security.