PT-2026-65180 · Apple · Macos Sequoia+3

CVE-2026-43776 · Published 2026-07-27 · Updated 2026-07-27

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/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

Description A buffer overflow occurs when a program writes more data to a block of memory than it can hold, potentially overwriting adjacent memory. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution.

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.

Fix

DoS

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2026-43776

Affected Products

Ios

Ipados

Macos Sequoia

Macos Tahoe

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-43776 · Security Note
• https://support.apple.com/en-us/128067 · Note
• https://support.apple.com/en-us/128071 · Note
• https://support.apple.com/en-us/128066 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-43776 · Note