macOS buffer overflow causes system crash; fixed Sequoia 15.7.7/Tahoe 26.5
CVE-2026-28848 Published on May 11, 2026
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.
Vulnerability Analysis
CVE-2026-28848 is exploitable with network access, and does not require authorization privileges or 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 Stack Overflow Vulnerability?
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
CVE-2026-28848 has been classified to as a Stack Overflow vulnerability or weakness.
Products Associated with CVE-2026-28848
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Affected Versions
Apple macOS:- Before 15.7.7 is affected.
- Before 26.5 is affected.