CVE-2025-43264 Memory corruption in macOS
Attackers can corrupt process memory by tricking users into opening a maliciously crafted image, potentially leading to code execution or crashes.
- 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-2025-43264?
CVE-2025-43264 is a high-severity memory corruption vulnerability in Apple Macos, published on 2 Apr 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
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.6. Processing a maliciously crafted image may corrupt process memory.
Weakness: CWE-119
Which versions are affected by CVE-2025-43264?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2025-43264?
No fix has been published for CVE-2025-43264 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-2025-43264 being exploited?
There is no known exploitation of CVE-2025-43264 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-cr3p-mjqh-499p.