Out-of-Bounds Read Issue in Apple Products
CVE-2026-28991

7.5HIGH

Key Information:

Vendor

Apple

Vendor
CVE Published:
11 May 2026

What is CVE-2026-28991?

An out-of-bounds read vulnerability has been identified in various Apple operating systems. This issue arises from inadequate bounds checking, potentially allowing an application to read data outside its intended memory space. Such vulnerabilities could lead to an unexpected behavior, including potential denial-of-service conditions. Users are encouraged to update to the latest versions of iOS, iPadOS, macOS Tahoe, tvOS, visionOS, and watchOS to safeguard against these risks.

Affected Version(s)

iOS and iPadOS 0 < 26.5

macOS 0 < 26.5

tvOS 0 < 26.5

References

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.