EIP-2026-103703

PRE-CVE

WebKit - 'WebCore::FrameView::clientToLayoutViewportPoint' Use-After-Free

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103703. PoCs published by Google Security Research.

AI-analyzed exploit summary This is a use-after-free vulnerability in WebKit, confirmed on an ASan build of Revision 225572 on OSX. The PoC triggers the vulnerability by manipulating DOM elements and calling `caretRangeFromPoint()`, leading to a heap-use-after-free condition.

Description

WebKit - 'WebCore::FrameView::clientToLayoutViewportPoint' Use-After-Free

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · htmldosmultiple
https://www.exploit-db.com/exploits/43938

This is a use-after-free vulnerability in WebKit, confirmed on an ASan build of Revision 225572 on OSX. The PoC triggers the vulnerability by manipulating DOM elements and calling `caretRangeFromPoint()`, leading to a heap-use-after-free condition.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: WebKit (Revision 225572)
No auth needed
Prerequisites: A vulnerable version of WebKit · Ability to execute JavaScript in the target environment
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026