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symantecSymantec Security ResponseSMNTC-91090
HistoryJun 14, 2016 - 12:00 a.m.

Microsoft Edge CVE-2016-3198 Security Bypass Vulnerability

2016-06-1400:00:00
Symantec Security Response
www.symantec.com
14

0.045 Low

EPSS

Percentile

92.4%

Description

Microsoft Edge is prone to a security-bypass vulnerability. An attacker can exploit this issue to bypass certain security restrictions and perform unauthorized actions; this may aid in launching further attacks.

Technologies Affected

  • Microsoft Edge
  • Microsoft Windows 10 for 32-bit Systems
  • Microsoft Windows 10 for x64-based Systems
  • Microsoft Windows 10 version 1511 for 32-bit Systems
  • Microsoft Windows 10 version 1511 for x64-based Systems

Recommendations

Block external access at the network boundary, unless external parties require service.
If global access isn’t needed, filter access to the affected computer at the network boundary. Restricting access to only trusted computers and networks might greatly reduce the likelihood of a successful exploit.

Run all software as a nonprivileged user with minimal access rights.
To reduce the impact of latent vulnerabilities, always run nonadministrative software as an unprivileged user with minimal access rights.

Deploy network intrusion detection systems to monitor network traffic for malicious activity.
Deploy NIDS to monitor network traffic for signs of anomalous or suspicious activity. This includes but is not limited to requests that include NOP sleds and unexplained incoming and outgoing traffic. This may indicate exploit attempts or activity that results from successful exploits

Do not follow links provided by unknown or untrusted sources.
Web users should be cautious about following links to sites that are provided by unfamiliar or suspicious sources. Filtering HTML from emails may help remove a possible vector for transmitting malicious links to users.

Updates are available. Please see the references or vendor advisory for more information.