CVE-2026-84563High· 7.5▾ TwilightA logic issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.1 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
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
0.2%
— → 7.5
none → high
Last analysed / modified upstream
0.2% → 0.3%
A logic issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination.
macos >= 15.0, < 15.8macos >= 26.0, < 26.7Upgrade past the affected range:
macos 26.7Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-84537Medium· 6.6The issue was addressed with improved memory handling
CVE-2026-84576Medium· 5.5This issue was addressed with improved checks
CVE-2026-28934Medium· 6.5A buffer overflow was addressed with improved bounds checking
CVE-2026-65365Medium· 6.5An out-of-bounds read was addressed with improved bounds checking
CVE-2026-84517Medium· 5.5An integer overflow was addressed with improved input validation
CVE-2026-86910Medium· 5.5A permissions issue was addressed with improved path validation