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Vulnerability record · CVE-2016-3203 · published 16 June 2016

CVE-2016-3203: Microsoft edge improper input validation vulnerability

Microsoft · Edge

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."

7.8 CVSS 3.0 High EPSS 33% · top 1.7% CWE-20 · Improper input validation
7.8CVSS 3.0 base score, v2 9.3
33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

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."

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/91086
http://www.securitytracker.com/id/1036099
http://www.zerodayinitiative.com/advisories/ZDI-16-369
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-068
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-080
http://www.securityfocus.com/bid/91086
http://www.securitytracker.com/id/1036099
http://www.zerodayinitiative.com/advisories/ZDI-16-369
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-068
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-080

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2016-3203), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.