CVE-2026-28973CWE-190

CVE-2026-28973

High · published July 28, 2026

CVSS v3.1

8.6

EPSS

Percentile

6.5

In the wild

Unconfirmed

What it is

An integer overflow was addressed with improved input validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, watchOS 26.6. A malicious app may be able to break out of its sandbox.

The record

Technical detail

CVSS v3.1: 8.6 · HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0: Not supplied
EPSS: 0.00173 · 6.5th percentile
Weakness: CWE-190 · Integer Overflow or Wraparound
Published: 2026-07-28T01:16Z

Affected products (6)

Product	Versions	Fixed in
apple/ipados	< 26.6	26.6
apple/iphone_os	< 26.6	26.6
apple/macos	≥ 14.0, < 14.8.8	14.8.8
apple/macos	≥ 15.0, < 15.7.8	15.7.8
apple/macos	≥ 26.0, < 26.6	26.6
apple/watchos	< 26.6	26.6

References (6)

https://support.apple.com/en-us/128066 · [email protected]https://support.apple.com/en-us/128067 · [email protected]https://support.apple.com/en-us/128068 · [email protected]https://support.apple.com/en-us/128071 · [email protected]https://support.apple.com/en-us/128072 · [email protected]https://support.apple.com/en-us/148287 · [email protected]

EPSS history

Timeline

27 JUL 20:13Z
An integer overflow was addressed with improved input validation
cvelistv5