GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2022-21996 (GCVE-0-2022-21996)

Vulnerability from cvelistv5 – Published: 2022-02-09 16:36 – Updated: 2025-01-02 18:28
VLAI
Title
Win32k Elevation of Privilege Vulnerability
Summary
Win32k Elevation of Privilege Vulnerability
CWE
  • Elevation of Privilege
References
Impacted products
Vendor Product Version CPE status
Microsoft Windows 11 version 21H2 Affected: 10.0.0 , < 10.0.22000.493 (custom)
    cpe:2.3:o:microsoft:windows_11_21H2:*:*:*:*:*:*:x64:*
Create a notification for this product.
Date Public
2022-02-08 08:00
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T03:00:54.559Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "Win32k Elevation of Privilege Vulnerability",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21996"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "platforms": [
            "x64-based Systems",
            "ARM64-based Systems"
          ],
          "product": "Windows 11 version 21H2",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.22000.493",
              "status": "affected",
              "version": "10.0.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_11_21H2:*:*:*:*:*:*:x64:*",
                  "versionEndExcluding": "10.0.22000.493",
                  "versionStartIncluding": "10.0.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "datePublic": "2022-02-08T08:00:00.000Z",
      "descriptions": [
        {
          "lang": "en-US",
          "value": "Win32k Elevation of Privilege Vulnerability"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Elevation of Privilege",
              "lang": "en-US",
              "type": "Impact"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-01-02T18:28:20.000Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "name": "Win32k Elevation of Privilege Vulnerability",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21996"
        }
      ],
      "title": "Win32k Elevation of Privilege Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2022-21996",
    "datePublished": "2022-02-09T16:36:45.000Z",
    "dateReserved": "2021-12-16T00:00:00.000Z",
    "dateUpdated": "2025-01-02T18:28:20.000Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2022-21996",
      "date": "2026-09-19",
      "epss": "0.03046",
      "percentile": "0.86942"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:*",
                  "matchCriteriaId": "B9F64296-66BF-4F1D-A11C-0C44C347E2AC",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:*",
                  "matchCriteriaId": "5D7F7DDB-440E-42CD-82F4-B2C13F3CC462",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Win32k Elevation of Privilege Vulnerability"
        },
        {
          "lang": "es",
          "value": "Una Vulnerabilidad de Elevaci\u00f3n de Privilegios en Win32k"
        }
      ],
      "id": "CVE-2022-21996",
      "lastModified": "2024-11-21T06:45:51.373",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "HIGH",
            "cvssData": {
              "accessComplexity": "LOW",
              "accessVector": "LOCAL",
              "authentication": "NONE",
              "availabilityImpact": "COMPLETE",
              "baseScore": 7.2,
              "confidentialityImpact": "COMPLETE",
              "integrityImpact": "COMPLETE",
              "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
              "version": "2.0"
            },
            "exploitabilityScore": 3.9,
            "impactScore": 10.0,
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "source": "nvd@nist.gov",
            "type": "Primary",
            "userInteractionRequired": false
          }
        ],
        "cvssMetricV31": [
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            },
            "exploitabilityScore": 1.8,
            "impactScore": 5.9,
            "source": "secure@microsoft.com",
            "type": "Secondary"
          }
        ]
      },
      "published": "2022-02-09T17:15:09.400",
      "references": [
        {
          "source": "secure@microsoft.com",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21996"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21996"
        }
      ],
      "sourceIdentifier": "secure@microsoft.com",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "NVD-CWE-noinfo"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "platforms": [
                  "x64-based Systems",
                  "ARM64-based Systems"
                ],
                "product": "Windows 11 version 21H2",
                "vendor": "Microsoft",
                "versions": [
                  {
                    "lessThan": "10.0.22000.493",
                    "status": "affected",
                    "version": "10.0.0",
                    "versionType": "custom"
                  }
                ]
              }
            ],
            "source": "secure@microsoft.com"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:*",
                    "matchCriteriaId": "B9F64296-66BF-4F1D-A11C-0C44C347E2AC",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:*",
                    "matchCriteriaId": "5D7F7DDB-440E-42CD-82F4-B2C13F3CC462",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Win32k Elevation of Privilege Vulnerability"
          },
          {
            "lang": "es",
            "value": "Una Vulnerabilidad de Elevaci\u00f3n de Privilegios en Win32k"
          }
        ],
        "id": "CVE-2022-21996",
        "lastModified": "2026-06-17T04:27:26.267",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "LOCAL",
                "authentication": "NONE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 7.2,
                "confidentialityImpact": "COMPLETE",
                "integrityImpact": "COMPLETE",
                "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 10.0,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.9,
              "source": "secure@microsoft.com",
              "type": "Secondary"
            }
          ]
        },
        "published": "2022-02-09T17:15:09.400",
        "references": [
          {
            "source": "secure@microsoft.com",
            "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21996"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21996"
          }
        ],
        "sourceIdentifier": "secure@microsoft.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-noinfo"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-03-27T12:53:41+00:00",
      "cve": "CVE-2022-21996",
      "id": "CVE-2022-21996",
      "initial_release_date": "2022-02-08T08:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Win32k Elevation of Privilege Vulnerability",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-21996.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…