High severity · published May 11, 2026
CVE-2026-28944
The issue was addressed with improved memory handling
7.5
CVSS
0.4%
EPSS
No
On KEV
Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, visionOS 26.5. Processing maliciously crafted web content may lead to an unexpected process crash.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
macOS · Apple
before 26.5 · source: vendor, NVD
IO
iOS · Apple
before 26.5 · source: NVD
SA
Safari · Apple
before 26.5 · source: vendor
IA
iOS and iPadOS · Apple
before 26.5 · source: vendor
VI
visionOS · Apple
before 26.5 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-28944
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-28944
Release Notes
https://support.apple.com/en-us/127110
Release Notes
https://support.apple.com/en-us/127115
Release Notes
https://support.apple.com/en-us/127120
support.apple.com
https://support.apple.com/en-us/127121
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