CVE-2017-8548

HIGH

Microsoft Edge - Memory Corruption via Improper Object Handling

Title source: llm

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-8548. PoCs published by Google Security Research.

AI-analyzed exploit summary This PoC exploits a type confusion vulnerability in ChakraCore (CVE-2017-8548) by manipulating array types during JIT optimization, leading to arbitrary memory corruption. The exploit triggers by modifying the Uint32Array size to 0, bypassing bounds checks and enabling type confusion.

Description

Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an attacker to obtain information to further compromise the user's system when Microsoft Edge improperly handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8499, CVE-2017-8520, CVE-2017-8521, and CVE-2017-8549.

Exploits (1)

exploitdb WORKING POC VERIFIED

by Google Security Research · htmldoswindows

https://www.exploit-db.com/exploits/42473

View Code ZIP pw:eip

This PoC exploits a type confusion vulnerability in ChakraCore (CVE-2017-8548) by manipulating array types during JIT optimization, leading to arbitrary memory corruption. The exploit triggers by modifying the Uint32Array size to 0, bypassing bounds checks and enabling type confusion.

Classification

Working Poc 90%

Attack Type

Rce

Complexity

Moderate

Reliability

Reliable

Target: Microsoft ChakraCore (Edge/IE JavaScript engine)

No auth needed

Prerequisites: Target must execute the JavaScript code in a vulnerable ChakraCore environment

MITRE ATT&CK

T1190 - Exploit Public-Facing Application

devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4

Core References

Patch, Vendor Advisory x_refsource_confirm

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8548

Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack

http://www.securitytracker.com/id/1038676

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/98954

Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db

https://www.exploit-db.com/exploits/42473/

Scores

CVSS v3 7.5

EPSS 0.7500

EPSS Percentile 98.9%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE

CWE-119

Status published

Products (2)

microsoft/edge

Microsoft Corporation/Microsoft Edge Microsoft Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016.

Published Jun 15, 2017

Tracked Since Feb 18, 2026