CVE-2026-65391

EUVD-2026-77978
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in Safari 26.6.1, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to memory corruption.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
appleCNA
UNKNOWN
---
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
applesafari
𝑥
< 26.6.1
CNA
applesafari
𝑥
< 26.6.2
CNA
applesafari
𝑥
< 27
CNA
References
https://support.apple.com/en-us/148281
https://support.apple.com/en-us/148282
https://support.apple.com/en-us/148286
https://support.apple.com/en-us/149036
https://support.apple.com/en-us/149037
https://support.apple.com/en-us/149038