CVE-2016-3319

CVE-2016-3319 is a high-severity vulnerability in Microsoft Edge with a CVSS 3.x base score of 7.0. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-284.

Key facts

Description

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

Frequently asked questions

What is CVE-2016-3319?
The PDF library in Microsoft Windows 8.1, Windows Server 2012 Gold and R2, Windows 10 Gold and 1511, and Microsoft Edge allows remote attackers to execute arbitrary code via a crafted PDF file, aka "Microsoft PDF Remote Code Execution Vulnerability."
How severe is CVE-2016-3319?
CVE-2016-3319 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-3319 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-3319?
CVE-2016-3319 primarily affects Microsoft Edge. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-3319?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-3319 published?
CVE-2016-3319 was published on 2016-08-09 and last updated on 2026-06-17.

References

Affected products (7)

More vulnerabilities in Microsoft Edge

All CVEs affecting Microsoft Edge →

Other CWE-284 (Improper Access Control) vulnerabilities

Browse all CWE-284 (Improper Access Control) vulnerabilities →