Medium severity · published Oct 26, 2026
CVE-2026-112556
A race condition was addressed with additional validation
New
4.8
CVSS
0.4%
EPSS
No
On KEV
Description
A race condition was addressed with additional validation. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An attacker may tamper with code-signed applications to execute arbitrary code in the application's context.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
macOS · Apple
before 15.8.2; before 26.7.2; before 27.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-112556
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-112556
support.apple.com
https://support.apple.com/en-us/149521
support.apple.com
https://support.apple.com/en-us/149522
support.apple.com
https://support.apple.com/en-us/149523
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