CVE-2026-43697 Memory corruption in macOS
An out-of-bounds read in macOS allows attackers to cause a crash or disclose memory contents by processing a maliciously crafted 3D file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-43697?
CVE-2026-43697 is a medium-severity memory corruption vulnerability in Apple Macos, published on 14 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
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. Processing a maliciously crafted 3D file may lead to an out-of-bounds read.
Weakness: CWE-125
Which versions are affected by CVE-2026-43697?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2026-43697?
No fix has been published for CVE-2026-43697 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-43697 being exploited?
There is no known exploitation of CVE-2026-43697 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-fpr6-wqh8-g678.