EIP-2026-103540

PRE-CVE

macOS/iOS - JavaScript Injection Bug in OfficeImporter

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103540. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit leverages a vulnerability in macOS/iOS QuickLook's OfficeImport framework, where font names in Office files are not properly sanitized, allowing arbitrary JavaScript injection. The PoC demonstrates this by embedding a script tag within a font name in a DOCX file, which executes when previewed via QuickLook.

Description

macOS/iOS - JavaScript Injection Bug in OfficeImporter

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · textdosmultiple
https://www.exploit-db.com/exploits/45032

This exploit leverages a vulnerability in macOS/iOS QuickLook's OfficeImport framework, where font names in Office files are not properly sanitized, allowing arbitrary JavaScript injection. The PoC demonstrates this by embedding a script tag within a font name in a DOCX file, which executes when previewed via QuickLook.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Apple macOS/iOS QuickLook (OfficeImport framework)
No auth needed
Prerequisites: A maliciously crafted DOCX file · User interaction to preview the file via QuickLook
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026