Sid 1-45383

Message

BROWSER-IE Microsoft Edge scripting engine integer overflow attempt

Summary

This event is generated when an attacker attempts to exploit an integer overflow vulnerability in Microsoft Edge.

Impact

Attempted User Privilege Gain

CVE-2018-0758:

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-2018-0758: Microsoft Edge in Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows an attacker to execute arbitrary code in the context of the current user, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2018-0762, CVE-2018-0768, CVE-2018-0769, CVE-2018-0770, CVE-2018-0772, CVE-2018-0773, CVE-2018-0774, CVE-2018-0775, CVE-2018-0776, CVE-2018-0777, CVE-2018-0778, and CVE-2018-0781.

Affected systems

• microsoft edge -

Ease of attack

CVE-2018-0758:

Access Vector

Access Complexity

Authentication

False positives

False negatives

Corrective action

Contributors

• Cisco's Talos Intelligence Group

Additional References

• portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2018-0758