Medium severity · published Jul 27, 2026
CVE-2026-64718
A use-after-free issue was addressed with improved memory management
5.5
CVSS
0.3%
EPSS
No
On KEV
Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6, Safari 27, iOS 26.6 and iPadOS 26.6, iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, visionOS 27, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
macOS · Apple
before 26.6; before 27 · source: vendor, NVD
IO
iOS · Apple
before 26.6 · source: NVD
SA
Safari · Apple
before 26.6; before 27 · source: vendor, NVD
IA
iOS and iPadOS · Apple
before 26.6; before 26.7; before 27 · source: vendor
TV
tvOS · Apple
before 26.6 · source: vendor, NVD
VI
visionOS · Apple
before 26.6; before 27 · source: vendor, NVD
WA
watchOS · Apple
before 26.6 · source: vendor, NVD
Affected product
MA
macOS
Apple
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