What is CVE-2016-3256?

CVE-2016-3256 is a medium-severity vulnerability in Microsoft Windows 10, classified under Information Disclosure. CVSS score: 5.0/10. Published 2016-07-13.

How severe is CVE-2016-3256?

Medium severity. CVSS v3 base score is 5.0 out of 10.

Information disclosure in Microsoft Windows 10

CVE-2016-3256

Microsoft Windows 10 Gold and 1511 allows local users to bypass the Secure Kernel Mode protection mechanism and obtain sensitive information via a crafted application, aka "Windows Secure Kernel Mode Information Disclosure Vulnerability."

Vulnerability class: Information Disclosure

Published 2016-07-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.049 (91.8th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.049 · newest: 0.049 · change: 0.000

Affected products

Microsoft Windows 10 — versions 1511

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-089 (vendor-advisory)
www.securityfocus.com/bid/91590 (vdb-entry)
www.securitytracker.com/id/1036287 (vdb-entry)

Frequently asked questions

What is CVE-2016-3256?: CVE-2016-3256 is a medium-severity vulnerability in Microsoft Windows 10, classified under Information Disclosure. CVSS score: 5.0/10. Published 2016-07-13.
How severe is CVE-2016-3256?: Medium severity. CVSS v3 base score is 5.0 out of 10.