Description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sequoia 15.8.2, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.
Affected products
apple: macos
References4
- support.apple.com/en-us/128067 Release NotesVendor Advisory
- support.apple.com/en-us/128071 Release NotesVendor Advisory
- support.apple.com/en-us/128072 Release NotesVendor Advisory
- support.apple.com/en-us/149523
Metrics
- CVSS 3.1
-
9.8
CRITICAL
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 1% percentile: 60 · as of 13 November 2026
- CWE
- CWE-120
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.