Remote code execution in Microsoft Windows PDF Library

Published: 2016-08-10
Risk High
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2016-3319
Exploitation vector Network
Public exploit N/A
Vulnerable software
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Microsoft Edge
Client/Desktop applications / Web browsers

Vendor Microsoft

Security Advisory

This security advisory describes one high risk vulnerability.

1) Memory Corruption in Microsoft PDF library

Risk: High

CVSSv3: 7.7 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2016-3319

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: No


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in Microsoft Windows PDF Library when parsing objects in memory. A remote attacker can create a specially crafted PDF file, trick a victim to open that file in browser or PDF reader, trigger memory corruption and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of this vulnerability my allow an attacker to run arbitrary code on vulnerable system.

Vulnerable software versions

Windows: 8.1, 10

Windows Server: 2012, 2012 R2

Microsoft Edge: All versions

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.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.