EIP-2026-115690

PRE-CVE

Microsoft Internet Explorer 5.0.1/5.5 - 'mstask.exe' CPU Consumption (Denial of Service)

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-115690. PoCs published by Ilia Sprite.

AI-analyzed exploit summary This is a writeup describing a CPU utilization DoS vulnerability in Microsoft Internet Explorer's task scheduler engine (mstask.exe) by sending malformed arguments to ports 1025-1220. The exploit involves connecting via telnet to localhost and sending random characters to trigger high CPU usage.

Description

Microsoft Internet Explorer 5.0.1/5.5 - 'mstask.exe' CPU Consumption (Denial of Service)

Exploits (1)

exploitdb WRITEUP VERIFIED
by Ilia Sprite · textdoswindows
https://www.exploit-db.com/exploits/20515

This is a writeup describing a CPU utilization DoS vulnerability in Microsoft Internet Explorer's task scheduler engine (mstask.exe) by sending malformed arguments to ports 1025-1220. The exploit involves connecting via telnet to localhost and sending random characters to trigger high CPU usage.

Classification
Writeup 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Theoretical
Target: Microsoft Internet Explorer (mstask.exe)
No auth needed
Prerequisites: Access to localhost (127.0.0.1) · Telnet client or similar tool
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026