CVE-2026-84520Critical· 9.8▾ MidnightA buffer overflow was addressed with improved size validation. This issue is fixed in macOS Golden Gate 27. A local attacker may be able to cause unexpected system termination or corrupt kernel memory.
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 53.9 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.1%
Last analysed / modified upstream
— → 9.8
none → critical
0.1% → 0.3%
A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Golden Gate 27. A local attacker may be able to cause unexpected system termination or corrupt kernel memory.
macos < 27.0Upgrade past the affected range:
macos 27.0Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-28934Medium· 6.5A buffer overflow was addressed with improved bounds checking
CVE-2026-84577High· 8.2An access issue was addressed with additional sandbox restrictions
CVE-2026-84512High· 8.8A buffer overflow was addressed with improved bounds checking
CVE-2026-84581High· 8.4A buffer overflow was addressed with improved bounds checking
CVE-2026-84537Medium· 6.6The issue was addressed with improved memory handling
CVE-2026-84576Medium· 5.5This issue was addressed with improved checks