CVE-2026-20634

EUVD-2026-6198
The issue was addressed with improved memory handling. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, macOS Sonoma 14.8.4, macOS Sequoia 15.7.4, iOS 18.7.5 and iPadOS 18.7.5, visionOS 26.3, iOS 26.3 and iPadOS 26.3. Processing a maliciously crafted image may result in disclosure of process memory.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CISA-ADPADP
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 1%
Affected Products (NVD)
VendorProductVersion
appleipados
𝑥
< 18.7.5
appleipados
26.0 ≤
𝑥
< 26.3
appleiphone_os
𝑥
< 18.7.5
appleiphone_os
26.0 ≤
𝑥
< 26.3
applemacos
14.0 ≤
𝑥
< 14.8.4
applemacos
15.0 ≤
𝑥
< 15.7.4
applemacos
26.0 ≤
𝑥
< 26.3
appletvos
𝑥
< 26.3
applevisionos
𝑥
< 26.3
applewatchos
𝑥
< 26.3
𝑥
= Vulnerable software versions
References
https://support.apple.com/en-us/126346
https://support.apple.com/en-us/126347
https://support.apple.com/en-us/126348
https://support.apple.com/en-us/126349
https://support.apple.com/en-us/126350
https://support.apple.com/en-us/126351
https://support.apple.com/en-us/126352
https://support.apple.com/en-us/126353