How severe is CVE-2016-3256?

CVE-2016-3256 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2016-3256 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-3256?

CVE-2016-3256 primarily affects Microsoft Windows 10. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-3256?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-3256 published?

CVE-2016-3256 was published on 2016-07-13 and last updated on 2026-06-17.

CVE-2016-3256

CVE-2016-3256 is a medium-severity vulnerability in Microsoft Windows 10 with a CVSS 3.x base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
CVSS v2: 2.1
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Microsoft Windows 10
Published: 2016-07-13
Last modified: 2026-06-17

Description

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."

Frequently asked questions

What is 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."
How severe is CVE-2016-3256?: CVE-2016-3256 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2016-3256 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-3256?: CVE-2016-3256 primarily affects Microsoft Windows 10. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-3256?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-3256 published?: CVE-2016-3256 was published on 2016-07-13 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:*

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