CVE-2026-64697
Malicious app can crash or corrupt macOS kernel (Sequoia/Sonoma/Tahoe).
Is CVE-2026-64697 being exploited?
Not confirmed. CVE-2026-64697 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.60% probability of exploitation in the next 30 days.
How severe is CVE-2026-64697?
CVE-2026-64697 is rated Critical with a CVSS score of 9.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-64697?
Yes. A fix has been recorded for CVE-2026-64697. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-64697 affect?
CVE-2026-64697 affects macOS Sequoia (pre-15.7.8), macOS Sonoma (pre-14.8.8), macOS Tahoe (pre-26.6). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-64697?
Install Apple updates (Sequoia 15.7.8 / Sonoma 14.8.8 / Tahoe 26.6) immediately.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Local app can cause system termination or corrupt kernel memory, enabling denial-of-service and possible privilege escalation or kernel compromise.
Patch when possible
- affected< 14.8.8
- affected< 15.7.8
- affected< 26.6
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.