CVE-2025-31263 Memory corruption in macOS
An app can corrupt coprocessor memory in macOS, potentially leading to code execution, requiring an OS upgrade.
- 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-2025-31263?
CVE-2025-31263 is a critical memory corruption vulnerability in Apple Macos, published on 29 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4. An app may be able to corrupt coprocessor memory.
Weakness: CWE-119
Which versions are affected by CVE-2025-31263?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2025-31263?
No fix has been published for CVE-2025-31263 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-2025-31263 being exploited?
There is no known exploitation of CVE-2025-31263 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-8849-3gmw-cqc7.