CVE-2016-3203

Microsoft Windows 8.1, Windows Server 2012 Gold and R2, Windows 10 Gold and 1511, and Microsoft...

7.8 High

Microsoft Windows 8.1, Windows Server 2012 Gold and R2, Windows 10 Gold and 1511, and Microsoft Edge allow remote attackers to execute arbitrary code via a crafted PDF document, aka "Windows PDF Remote Code Execution Vulnerability."

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

33.3%Down 17.3 points since Feb 4, 2022

What each source reports

NVD Score used 7.8

Record: CVE-2016-3203
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-20
Updated: 2026-11-02

CVE List No score

Record: CVE-2016-3203
Updated: 2026-11-02

EUVDEUVD-2016-4242 No score

Record: EUVD-2016-4242
Updated: 2026-11-03

GitHub AdvisoriesGHSA-qh3v-9g3g-rrf5 7.8

Microsoft Windows 8.1, Windows Server 2012 Gold and R2, Windows 10 Gold and 1511, and Microsoft...

Record: GHSA-qh3v-9g3g-rrf5
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-20
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-3203 is a high vulnerability (CVSS 7.8) in Microsoft Edge, published June 16, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 33.3%, the 98th percentile. No source names a fixed version.