CVE-2026-28848 Memory corruption in macOS
A remote attacker can cause unexpected system termination via a buffer overflow in macOS, requiring a security patch.
- 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-2026-28848?
CVE-2026-28848 is a high-severity memory corruption vulnerability in Apple Macos, published on 11 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.7, macOS Tahoe 26.5. A remote attacker may be able to cause unexpected system termination.
Weakness: CWE-121
Which versions are affected by CVE-2026-28848?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2026-28848?
No fix has been published for CVE-2026-28848 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-2026-28848 being exploited?
There is no known exploitation of CVE-2026-28848 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-2h56-2mqr-w44f.