CVE-2026-65364 Denial of service in macOS
A remote attacker can cause unexpected system termination in macOS due to an out-of-bounds read vulnerability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-65364?
CVE-2026-65364 is a high-severity denial of service vulnerability in Apple Macos, published on 14 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. A remote attacker may be able to cause unexpected system termination.
Weakness: CWE-125
Which versions are affected by CVE-2026-65364?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2026-65364?
No fix has been published for CVE-2026-65364 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-65364 being exploited?
There is no known exploitation of CVE-2026-65364 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-pcv3-jvj7-j6f3.