Critical severity · published Jul 27, 2026
CVE-2026-43694
The issue was addressed with improved memory handling
9.8
CVSS
0.6%
EPSS
No
On KEV
Description
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination or write kernel memory.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
macOS · Apple
before 14.8.8; before 15.7.8; before 26.6 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-43694
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-43694
Release Notes
https://support.apple.com/en-us/128067
Release Notes
https://support.apple.com/en-us/128071
Release Notes
https://support.apple.com/en-us/128072
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