CVE-2026-20698

CWE-787 — Out-of-bounds WriteCWE-119 — Buffer Overflow4 documents4 sources
Severity
7.8HIGH
EPSS
0.0%
top 98.65%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Apple IOS AND IpadosApple MacosApple Tvos+4 more
Timeline
PublishedMar 25

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An app may be able to cause unexpected system termination or corrupt kernel memory.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages11 packages

▶CVEListV5apple/tvos< 26.4
▶NVDapple/tvos< 26.4
▶CVEListV5apple/macos< 26.4
▶NVDapple/macos26.0 — 26.4
▶NVDapple/ipados< 26.4

🔴Vulnerability Details

2
GHSA
GHSA-fc7w-w2c7-j46c: The issue was addressed with improved memory handling↗2026-03-25
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CVEList
CVE-2026-20698: The issue was addressed with improved memory handling↗2026-03-25
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🕵️Threat Intelligence

1
Wiz
CVE-2026-20698 Impact, Exploitability, and Mitigation Steps | Wiz↗
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CVE-2026-20698 (HIGH CVSS 7.8) | The issue was addressed with improv | cvebase.io