Unscored severity · published Oct 26, 2026
CVE-2026-112552
An out-of-bounds write issue was addressed with improved bounds checking
New
–
CVSS
0.2%
EPSS
No
On KEV
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An attacker with control of a network file server may be able to cause unexpected system termination.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 12% 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-2026-112552
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-112552
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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