CVE-2026-84581 Memory corruption in macOS
Mounting a malicious disk image can cause kernel memory corruption or system termination, requiring an OS update.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-84581?
CVE-2026-84581 is a high-severity memory corruption vulnerability in Apple Macos, published on 14 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory.
Weakness: CWE-120
Which versions are affected by CVE-2026-84581?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2026-84581?
No fix has been published for CVE-2026-84581 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-2026-84581 being exploited?
There is no known exploitation of CVE-2026-84581 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-6c6p-rfgp-2xq5.