CVE-2026-20657

EUVD-2026-15047
The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5. Parsing a maliciously crafted file may lead to an unexpected app termination.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CISA-ADPADP
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
appleipados
𝑥
< 18.7.7
appleiphone_os
𝑥
< 18.7.7
applemacos
14.0 ≤
𝑥
< 14.8.5
applemacos
15.0 ≤
𝑥
< 15.7.5
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://support.apple.com/en-us/126793
https://support.apple.com/en-us/126795
https://support.apple.com/en-us/126796