CVE-2026-28848

HIGH

macOS < 15.7.7 and < 26.5 - Remote Denial of Service via Stack-based Buffer Overflow

Title source: llm

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.

References (2)

Core 2

Core References

https://support.apple.com/en-us/127115

https://support.apple.com/en-us/127116

Scores

CVSS v3 7.5

EPSS 0.0011

EPSS Percentile 29.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-121

Status published

Products (3)

Apple/macOS < 15.7.7

Apple/macOS < 26.5

apple/macos 15.0 - 15.7.7

Published May 11, 2026

Tracked Since May 12, 2026