PT-2026-65182 · Apple · Visionos+8

CVE-2026-43778 · Published 2026-07-27 · Updated 2026-07-28

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions iOS versions prior to 26.6 iPadOS versions prior to 26.6 macOS Sequoia versions prior to 15.7.8 macOS Sonoma versions prior to 14.8.8 macOS Tahoe versions prior to 26.6 tvOS versions prior to 26.6 visionOS versions prior to 26.6 watchOS versions prior to 26.6

Description A use after free issue exists where an application may cause unexpected system termination or corrupt kernel memory. Use after free is a memory corruption flaw that occurs when an application continues to use a pointer after it has been freed.

Recommendations Update iOS to version 26.6 Update iPadOS to version 26.6 Update macOS Sequoia to version 15.7.8 Update macOS Sonoma to version 14.8.8 Update macOS Tahoe to version 26.6 Update tvOS to version 26.6 Update visionOS to version 26.6 Update watchOS to version 26.6

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2026-43778

Affected Products

Apple Macos

Ios

Ipados

Macos Sequoia

Macos Sonoma

Macos Tahoe

Tvos

Visionos

Watchos

References · 10

• https://support.apple.com/en-us/128071 · Vendor Advisory
• https://support.apple.com/en-us/128072 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-43778 · Security Note
• https://support.apple.com/en-us/128068 · Vendor Advisory
• https://support.apple.com/en-us/128069 · Vendor Advisory
• https://support.apple.com/en-us/128066 · Vendor Advisory
• https://support.apple.com/en-us/128070 · Vendor Advisory
• https://support.apple.com/en-us/128067 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-43778 · Note
• https://t.me/cveNotify/226530 · Telegram Post