CVE-2026-20654

CWE-119Buffer Overflow9 documents5 sources
Severity
5.5MEDIUM
EPSS
0.0%
top 97.57%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedFeb 11
Latest updateFeb 12

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to cause unexpected system termination.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages11 packages

CVEListV5apple/tvos< 26.3
NVDapple/tvos< 26.3
CVEListV5apple/macos< 26.3
NVDapple/macos< 26.3
NVDapple/ipados< 26.3

🔴Vulnerability Details

2
GHSA
GHSA-4m8q-p6h8-x2wj: The issue was addressed with improved memory handling2026-02-12
CVEList
CVE-2026-20654: The issue was addressed with improved memory handling2026-02-11

📋Vendor Advisories

5
Apple
CVE-2026-20654: visionOS 26.32026-02-11
Apple
CVE-2026-20654: watchOS 26.32026-02-11
Apple
CVE-2026-20654: macOS Tahoe 26.32026-02-11
Apple
CVE-2026-20654: iOS 26.3 and iPadOS 26.32026-02-11
Apple
CVE-2026-20654: tvOS 26.32026-02-11

🕵️Threat Intelligence

1
Wiz
CVE-2026-20654 Impact, Exploitability, and Mitigation Steps | Wiz
CVE-2026-20654 (MEDIUM CVSS 5.5) | The issue was addressed with improv | cvebase.io