PT-2026-39762 · Apple+1 · Macos Tahoe+7

Daniel Rhea + 1 · CVE-2026-28847 · Published 2026-05-11 · Updated 2026-06-24

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 Tahoe versions prior to 26.5 tvOS versions prior to 26.5 visionOS versions prior to 26.5 watchOS versions prior to 26.5

Description Processing maliciously crafted web content may lead to an unexpected process crash due to improper memory handling.

Recommendations Update to iOS 18.7.9 Update to iOS 26.5 Update to iPadOS 18.7.9 Update to iPadOS 26.5 Update to macOS Tahoe 26.5 Update to tvOS 26.5 Update to visionOS 26.5 Update to watchOS 26.5

Fix

DoS

Buffer Overflow

Weakness Enumeration

CWE-120

CWE-119

Related Identifiers

ALSA-2026:25918

ALSA-2026:25927

CVE-2026-28847

ECHO-064B-9C34-AEE8

OPENSUSE-SU-2026:21129-1

RHSA-2026:25918

RHSA-2026:25927

RHSA-2026:27728

RHSA-2026:27785

RHSA-2026:27804

RHSA-2026:28114

RHSA-2026:28146

RHSA-2026:28147

RHSA-2026:28148

SUSE-SU-2026:22203-1

SUSE-SU-2026:22212-1

SUSE-SU-2026:2376-1

SUSE-SU-2026:2378-1

SUSE-SU-2026:2623-1

ZDI-26-313

Affected Products

Apple Macos

Rocky Linux

Ios

Ipados

Macos Tahoe

Tvos

Visionos

Watchos

References · 113

• https://access.redhat.com/errata/RHSA-2026:28146 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2026:28148 · Vendor Advisory
• https://support.apple.com/en-us/127121 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-28847 · Security Note
• https://access.redhat.com/errata/RHSA-2026:27785 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2026:25927 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2026:27728 · Vendor Advisory
• https://errata.almalinux.org/9/ALSA-2026-25927.html · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-26-313 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:2376-1 · Vendor Advisory
• https://support.apple.com/en-us/127111 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:2623-1 · Vendor Advisory
• https://support.apple.com/en-us/127110 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-28847 · Vendor Advisory
• https://support.apple.com/en-us/127115 · Vendor Advisory