PT-2026-39792 · Apple · Tvos+6

Izobashi + 1 · Published 2026-05-11 · Updated 2026-05-12 · CVE-2026-28940

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/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 18.7.9 iOS versions prior to 26.5 iPadOS versions prior to 18.7.9 iPadOS versions prior to 26.5 macOS Sequoia versions prior to 15.7.7 macOS Tahoe versions prior to 26.5 tvOS versions prior to 26.5 visionOS versions prior to 26.5

Description Processing a maliciously crafted image may corrupt process memory due to improper memory handling.

Recommendations Update iOS to version 18.7.9 or 26.5. Update iPadOS to version 18.7.9 or 26.5. Update macOS Sequoia to version 15.7.7. Update macOS Tahoe to version 26.5. Update tvOS to version 26.5. Update visionOS to version 26.5.

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2026-28940

ZDI-26-314

Affected Products

Apple Macos

Ios

Ipados

Macos Sequoia

Macos Tahoe

Tvos

Visionos

References · 10

• https://support.apple.com/en-us/127118 · Vendor Advisory
• https://support.apple.com/en-us/127110 · Vendor Advisory
• https://support.apple.com/en-us/127120 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-26-314 · Security Note
• https://support.apple.com/en-us/127116 · Vendor Advisory
• https://support.apple.com/en-us/127111 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-28940 · Security Note
• https://support.apple.com/en-us/127115 · Vendor Advisory
• https://twitter.com/vuldb/status/2054027420655878484 · Twitter Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-28940 · Note