CVE-2026-20687

CWE-416 — Use After Free4 documents4 sources
Severity
7.1HIGH
EPSS
0.0%
top 98.45%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Apple IOS AND IpadosApple MacosApple Tvos+3 more
Timeline
PublishedMar 25

Description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Tahoe 26.4, tvOS 26.4, watchOS 26.4. An app may be able to cause unexpected system termination or write kernel memory.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:HExploitability: 1.8 | Impact: 5.2

Affected Packages9 packages

▶CVEListV5apple/macos< 15.7.5+1
▶NVDapple/macos15.0 — 15.7.5+1
▶NVDapple/ipados26.0 — 26.4+1
▶CVEListV5apple/ios_and_ipados< 18.7.7+1
▶CVEListV5apple/tvos< 26.4

🔴Vulnerability Details

2
GHSA
GHSA-c4px-j3mf-78gh: A use after free issue was addressed with improved memory management↗2026-03-25
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CVEList
CVE-2026-20687: A use after free issue was addressed with improved memory management↗2026-03-25
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🕵️Threat Intelligence

1
Wiz
CVE-2026-20687 Impact, Exploitability, and Mitigation Steps | Wiz↗
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CVE-2026-20687 (HIGH CVSS 7.1) | A use after free issue was addresse | cvebase.io