Out-of-Bounds Access Vulnerability in Apple Products
CVE-2026-20611

7.1HIGH

Key Information:

Vendor

Apple
Status
Mac OS
Watch OS
Visionos
iOS And iPad OS
Vendor
CVE Published:
11 February 2026

What is CVE-2026-20611?

An out-of-bounds access issue has been identified which may allow a maliciously crafted media file to cause unexpected termination of applications or corrupt process memory. This vulnerability can impact multiple Apple operating systems including iOS, macOS, tvOS, and watchOS. Apple has implemented improved bounds checking in recent updates to address this issue, emphasizing the importance of keeping devices up to date to mitigate potential risks.

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Affected Version(s)

iOS and iPadOS < 26.3

iOS and iPadOS < 18.7

macOS < 26.3

References

https://support.apple.com/en-us/126348
https://support.apple.com/en-us/126352
https://support.apple.com/en-us/126353

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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