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CVE-2016-3256

Status: ModifiedMedium (5)—
Severity5Medium · CVSS 3.0
Exploitation probability4.90 %higher than 92% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

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."

CVSS

Base score
5
Version
3.0
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
4.90 %
Percentile among all scored CVEs
92
Score date
10/23/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Microsoft — Windows 10

CWEs

References

Show 6 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2016-3256",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.3
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2016-07-13T01:59:18.060",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/91590",
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1036287",
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-089",
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/91590",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1036287",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-089",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "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.\""
    },
    {
      "lang": "es",
      "value": "Microsoft Windows 10 Gold and 1511 permite a usuarios locales eludir el mecanismo de protección Secure Kernel Mode y obtener información sensible a través de una aplicación manipulada, también conocida como \"Windows Secure Kernel Mode Information Disclosure Vulnerability\"."
    }
  ],
  "lastModified": "2026-06-17T00:45:22.873",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "21540673-614A-4D40-8BD7-3F07723803B0"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "232581CC-130A-4C62-A7E9-2EC9A9364D53"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}