PT-2026-27550 · Apple · Ios+6

Published 2026-03-24 · Updated 2026-04-23 · CVE-2026-20698

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions iOS versions prior to 26.4 iPadOS versions prior to 26.4 macOS Tahoe versions prior to 26.4 tvOS versions prior to 26.4 visionOS versions prior to 26.4 watchOS versions prior to 26.4

Description An application could potentially cause an unexpected system termination or corrupt kernel memory due to improper memory handling. The issue was addressed through improved memory management.

Recommendations Update iOS to version 26.4 or later. Update iPadOS to version 26.4 or later. Update macOS Tahoe to version 26.4 or later. Update tvOS to version 26.4 or later. Update visionOS to version 26.4 or later. Update watchOS to version 26.4 or later.

Fix

Memory Corruption

Buffer Overflow

Weakness Enumeration

CWE-787

CWE-119

Related Identifiers

CVE-2026-20698

Affected Products

Apple Macos

Ios

Ipados

Macos Tahoe

Tvos

Visionos

Watchos

References · 10

• https://safe-surf.ru/specialists/bulletins-nkcki/730317 · Security Note
• https://support.apple.com/en-us/126799 · Vendor Advisory
• https://support.apple.com/en-us/126794 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-20698 · Security Note
• https://support.apple.com/en-us/126797 · Vendor Advisory
• https://support.apple.com/en-us/126798 · Vendor Advisory
• https://support.apple.com/en-us/126792 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20698 · Note
• https://reddit.com/r/SetupA12/comments/1stngm6/can_someone_tell_me_if_this_is_feasable · Reddit Post
• https://reddit.com/r/jailbreak/comments/1s84m20/cve202620698pf · Reddit Post