Medium severity · published May 11, 2026
CVE-2026-28897
A buffer overflow was addressed with improved input validation
6.2
CVSS
0.2%
EPSS
No
On KEV
Description
A buffer overflow was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. A local user may be able to cause unexpected system termination or read kernel memory.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
macOS · Apple
before 14.8.7; before 15.7.7; before 26.5 · source: vendor, NVD
IO
iOS · Apple
before 18.7.9; 26.0 before 26.5 · source: NVD
IA
iOS and iPadOS · Apple
before 18.7.9; before 26.5 · source: vendor
TV
tvOS · Apple
before 26.5 · source: vendor, NVD
VI
visionOS · Apple
before 26.5 · source: vendor, NVD
WA
watchOS · Apple
before 26.5 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-28897
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-28897
Release Notes
https://support.apple.com/en-us/127110
Release Notes
https://support.apple.com/en-us/127111
Release Notes
https://support.apple.com/en-us/127115
Release Notes
https://support.apple.com/en-us/127116
Release Notes
https://support.apple.com/en-us/127117
Release Notes
https://support.apple.com/en-us/127118
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