EIP-2026-115814

PRE-CVE

Microsoft Windows OpenType Font - File Format Denial of Service

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-115814. PoCs published by Cr4sh.

AI-analyzed exploit summary This exploit leverages a vulnerability in ATMFD.DLL to cause a denial-of-service (DoS) condition on Windows systems by embedding a malicious OpenType font file (.OTF) with an invalid Type 2 Charstring Format Glyph. The exploit triggers a BSoD on Windows XP/Server 2003 and 100% CPU usage on Vista/7/Server 2008.

Description

Microsoft Windows OpenType Font - File Format Denial of Service

Exploits (1)

exploitdb WORKING POC VERIFIED
by Cr4sh · textdoswindows
https://www.exploit-db.com/exploits/19089

This exploit leverages a vulnerability in ATMFD.DLL to cause a denial-of-service (DoS) condition on Windows systems by embedding a malicious OpenType font file (.OTF) with an invalid Type 2 Charstring Format Glyph. The exploit triggers a BSoD on Windows XP/Server 2003 and 100% CPU usage on Vista/7/Server 2008.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Windows (all versions) with ATMFD.DLL
No auth needed
Prerequisites: Access to deliver a malicious .OTF file (e.g., via email, web page, or document embedding)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026