CVE-2026-28841 Memory corruption in macOS

What is CVE-2026-28841?

CVE-2026-28841 is a medium-severity memory corruption vulnerability in Apple Macos, published on 25 Mar 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 size validation. This issue is fixed in macOS Tahoe 26.4. A buffer overflow may result in memory corruption and unexpected app termination.

Weakness: CWE-120

Which versions are affected by CVE-2026-28841?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2026-28841?

No fix has been published for CVE-2026-28841 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-2026-28841 being exploited?

There is no known exploitation of CVE-2026-28841 in the wild and no public exploit code.

Other vulnerabilities in Apple Macos

• CVE-2026-65400 Apple macOS Improper Authentication Exploited Critical 9.8
• CVE-2024-44146 Security feature bypass in macOS Critical 10.0
• CVE-2024-44148 Security feature bypass in macOS Critical 10.0
• CVE-2023-38586 Security feature bypass in macOS Critical 10.0
• CVE-2023-40455 Security feature bypass in macOS Critical 10.0

All Apple Macos vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-wvgh-gjp7-2cm6.