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CVE-2016-3393

High CVSS 7.8 Known exploited

Published 2016-10-14 · last changed 2026-06-17 · added to CISA KEV 2022-05-25

This one is being exploited in the wild.

CISA added CVE-2016-3393 to the Known Exploited Vulnerabilities catalog on 2022-05-25. Federal agencies are required to remediate it on a deadline. If you have affected machines, this is the class of finding that moves ahead of the rest of the queue.

The fix

We hold no Microsoft remediation data for CVE-2016-3393, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

Graphics Device Interface (aka GDI or GDI+) in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607 allows remote attackers to execute arbitrary code via a crafted web site, aka "Windows Graphics Component RCE Vulnerability."

Sources

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H