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Sid 1-44831

Message

BROWSER-IE Microsoft Edge memory corruption exploitation attempt

Summary

This event is generated when memory corruption attempt is made in MS Edge browser

Impact

Attempted Administrator Privilege Gain

CVE-2017-11855:

CVSS base score 7.5

CVSS impact score 5.9

CVSS exploitability score 1.6

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Detailed information

CVE-2017-11855: Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, 1709, Windows Server 2016 and Windows Server, version 1709 allows an attacker to gain the same user rights as the current user, due to how Internet Explorer handles objects in memory, aka "Internet Explorer Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-11856.

Affected systems

  • microsoft internet_explorer 11

Ease of attack

CVE-2017-11855:

Access Vector

Access Complexity

Authentication

False positives

False negatives

Corrective action

Contributors

  • Cisco's Talos Intelligence Group

Additional References