PT-2026-65295 · Apple · Visionos+5

CVE-2026-64771 · Published 2026-07-27 · Updated 2026-07-27

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 Tahoe versions prior to 26.6 tvOS versions prior to 26.6 visionOS versions prior to 26.6

Description A buffer overflow occurs due to insufficient bounds checking. A remote attacker could exploit this to cause heap corruption or unexpected application termination. A buffer overflow is a condition where a process writes more data to a block of memory than it is allocated to hold.

Recommendations Update iOS to version 26.6. Update iPadOS to version 26.6. Update macOS Sequoia to version 15.7.8. Update macOS Tahoe to version 26.6. Update tvOS to version 26.6. Update visionOS to version 26.6.

Fix

DoS

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2026-64771

Affected Products

Ios

Ipados

Macos Sequoia

Macos Tahoe

Tvos

Visionos

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-64771 · Security Note
• https://support.apple.com/en-us/128069 · Note
• https://support.apple.com/en-us/128070 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-64771 · Note
• https://support.apple.com/en-us/128071 · Note
• https://support.apple.com/en-us/128066 · Note
• https://support.apple.com/en-us/128067 · Note