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Sid 1-48519


BROWSER-IE Microsoft Edge buffer overflow attempt


This event is generated when a buffer overflow is detected in Microsoft Edge which could lead to remote code execution.


Attempted User Privilege Gain


CVSS base score 8.8

CVSS impact score 5.9

CVSS exploitability score 2.8

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Detailed information

CVE-2018-8634: A remote code execution vulnerability exists in Windows where Microsoft text-to-speech fails to properly handle objects in the memory, aka "Microsoft Text-To-Speech Remote Code Execution Vulnerability." This affects Windows Server 2016, Windows 10, Windows Server 2019, Windows 10 Servers.

Affected systems

  • microsoft windows_10 -
  • microsoft windows_10 1607
  • microsoft windows_10 1703
  • microsoft windows_10 1709
  • microsoft windows_10 1803
  • microsoft windows_10 1809
  • microsoft windowsserver2016 -
  • microsoft windowsserver2016 1709
  • microsoft windowsserver2016 1803
  • microsoft windowsserver2019 -

Ease of attack


Access Vector

Access Complexity


False positives

False negatives

Corrective action


  • Cisco's Talos Intelligence Group

Additional References