PT-2026-39841 · Apple · Tvos+5

Somair Ansar · CVE-2026-43655 · Published 2026-05-11 · Updated 2026-06-22

Positive Technologies (AI Summary)

CVSS v3.1

7.3

High

Base vector

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

Name of the Vulnerable Software and Affected Versions iOS versions prior to 26.5 iPadOS versions prior to 26.5 macOS Tahoe versions prior to 26.5 tvOS versions prior to 26.5 watchOS versions prior to 26.5

Description An out-of-bounds read occurs due to insufficient bounds checking. This flaw allows an application to read kernel memory or cause unexpected system termination.

Recommendations Update iOS to version 26.5. Update iPadOS to version 26.5. Update macOS Tahoe to version 26.5. Update tvOS to version 26.5. Update watchOS to version 26.5.

Fix

DoS

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2026-43655

Affected Products

Apple Macos

Ios

Ipados

Macos Tahoe

Tvos

Watchos

References · 8

• https://support.apple.com/en-us/127115 · Vendor Advisory
• https://support.apple.com/en-us/127118 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-43655 · Security Note
• https://support.apple.com/en-us/127119 · Vendor Advisory
• https://support.apple.com/en-us/127110 · Vendor Advisory
• https://reddit.com/r/jailbreak/comments/1tuwmm6/iosipados_264_cves_and_there_potential_something · Reddit Post
• https://twitter.com/KaitanSecurity/status/2068869083475452320 · Twitter Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-43655 · Note