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Information disclosure in Internet Explorer and Edge

Published: 2020-02-11
Severity Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2020-0706
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Microsoft Edge
Client/Desktop applications / Web browsers

Microsoft Internet Explorer
Client/Desktop applications / Web browsers

Vendor Microsoft

Security Advisory

This security advisory describes one low risk vulnerability.

1) Permissions, Privileges, and Access Controls

Severity: Low

CVSSv3: 3.9 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-0706

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: Yes [Search exploit]


The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists in the way Microsoft browsers handle cross-origin requests. A remote attacker can create a specially crafted web page, trick the victim into visiting it and determine the origin of all of the web pages in the affected browser.


Install updates from vendor's website.

Vulnerable software versions

Microsoft Edge: -

Microsoft Internet Explorer: 10, 11

CPE External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.