National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2014-1776 Detail

Current Description

Use-after-free vulnerability in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors related to the CMarkup::IsConnectedToPrimaryMarkup function, as exploited in the wild in April 2014. NOTE: this issue originally emphasized VGX.DLL, but Microsoft clarified that "VGX.DLL does not contain the vulnerable code leveraged in this exploit. Disabling VGX.DLL is an exploit-specific workaround that provides an immediate, effective workaround to help block known attacks."

Source:  MITRE      Last Modified:  04/27/2014      View Analysis Description

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
10.0 HIGH
(AV:N/AC:L/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to

Hyperlink Resource Type Source Name Mitigation External Source CONFIRM External Source SECTRACK 1030154 Mitigation; Patch; Vendor Advisory External Source MS MS14-021 Broken Link External Source MISC Mitigation; Third Party Advisory; US Government Resource External Source CERT-VN VU#222929 VDB Entry External Source BID 67075 Third Party Advisory External Source MISC Mitigation; Patch; Vendor Advisory External Source CONFIRM

Technical Details

Vulnerability Type (View All)

Change History 4 change records found - show changes