macOS SMB Mount Use-after-Free, fixed in 15.7.5/14.8.5
CVE-2026-28835 Published on March 25, 2026
A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. Mounting a maliciously crafted SMB network share may lead to system termination.
Vulnerability Analysis
CVE-2026-28835 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2026-28835 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2026-28835
stack.watch emails you whenever new vulnerabilities are published in Apple macOS or Apple Macos Sonoma. Just hit a watch button to start following.
Affected Versions
Apple macOS:- Before 14.8.5 is affected.
- Before 15.7.5 is affected.
- Before 26.4 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.