Microsoft Browser Elevation of Privilege Vulnerability
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2016-3387 |
| CWE-ID | CWE-46 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
Microsoft Internet Explorer Client/Desktop applications / Web browsers Microsoft Edge Client/Desktop applications / Web browsers |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Privilege Escalation
EUVDB-ID: #VU928
Risk: Low
CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2016-3387
CWE-ID:
CWE-46 - Path Equivalence: 'filename ' (Trailing Space)
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to gain elevated privileges.
The weakness exists due to improper defense of private namespace by the browser. A remote attacker can create a specially crafted content, trick the victim into downloading it, gain privileged permissions to the namespace directory on the system.
Successful exploitation of the vulnerability will result in privilege escalation on the vulnerable system.
Install updates from Microsoft website.
Vulnerable software versionsMicrosoft Internet Explorer: 10 - 11
Microsoft Edge: All versions
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2016-3387
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.
