cnvd - cnvd-2021-34480

cnvd-2021-34480

Vulnerability from cnvd

Title: Microsoft Windows和Windows Server权限提升漏洞（CNVD-2021-34480）

Description:

Microsoft Windows和Microsoft Windows Server都是美国微软（Microsoft）公司的产品。Microsoft Windows是一套个人设备使用的操作系统。Microsoft Windows Server是一套服务器操作系统。

Microsoft Windows和Windows Server中的Win32k存在权限提升漏洞，攻击者可利用该漏洞提升权限。

Severity: 中

Patch Name: Microsoft Windows和Windows Server权限提升漏洞（ CNVD-2021-34480）的补丁

Patch Description:

Microsoft Windows和Windows Server中的Win32k存在权限提升漏洞，攻击者可利用该漏洞提升权限。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

厂商已发布了漏洞修复程序，请及时关注更新： https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-28310

Reference: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-28310

Impacted products

Name
['Microsoft Windows 10 1803', 'Microsoft Windows 10 1809', 'Microsoft Microsoft Windows Server 1909', 'Microsoft Windows 10 1909', 'Microsoft Windows Server 2004', 'Microsoft Windows 10 2004', 'Microsoft Windows 10 20H2', 'Microsoft Windows Server 20H2']

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-28310",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-28310"
    }
  },
  "description": "Microsoft Windows\u548cMicrosoft Windows Server\u90fd\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4ea7\u54c1\u3002Microsoft Windows\u662f\u4e00\u5957\u4e2a\u4eba\u8bbe\u5907\u4f7f\u7528\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002Microsoft Windows Server\u662f\u4e00\u5957\u670d\u52a1\u5668\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nMicrosoft Windows\u548cWindows Server\u4e2d\u7684Win32k\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u5347\u6743\u9650\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-28310",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-34480",
  "openTime": "2021-05-14",
  "patchDescription": "Microsoft Windows\u548cMicrosoft Windows Server\u90fd\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4ea7\u54c1\u3002Microsoft Windows\u662f\u4e00\u5957\u4e2a\u4eba\u8bbe\u5907\u4f7f\u7528\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002Microsoft Windows Server\u662f\u4e00\u5957\u670d\u52a1\u5668\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nMicrosoft Windows\u548cWindows Server\u4e2d\u7684Win32k\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u5347\u6743\u9650\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Microsoft Windows\u548cWindows Server\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08 \t CNVD-2021-34480\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Microsoft Windows 10 1803",
      "Microsoft Windows 10 1809",
      "Microsoft Microsoft Windows Server 1909",
      "Microsoft Windows 10 1909",
      "Microsoft Windows Server 2004",
      "Microsoft Windows 10 2004",
      "Microsoft Windows 10 20H2",
      "Microsoft Windows Server 20H2"
    ]
  },
  "referenceLink": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-28310",
  "serverity": "\u4e2d",
  "submitTime": "2021-04-14",
  "title": "Microsoft Windows\u548cWindows Server\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08CNVD-2021-34480\uff09"
}

CVE-2021-28310 (GCVE-0-2021-28310)

Vulnerability from cvelistv5

Published

2021-04-13 19:32

Modified

2025-07-30 01:38

Severity ?

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

CWE

Elevation of Privilege

Summary

Win32k Elevation of Privilege Vulnerability

References

▼	URL	Tags
	https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28310	x_refsource_MISC

Impacted products

Vendor

Product

Version

▼

Microsoft

Windows 10 Version 1803

Version: 10.0.0   < publication
    cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
    cpe:2.3:o:microsoft:windows_10_1803:*:*:*:*:*:*:x64:*
    cpe:2.3:o:microsoft:windows_10_1803:*:*:*:*:*:*:arm64:*

Microsoft	Windows 10 Version 1809	Version: 10.0.0 < publication cpe:2.3:o:microsoft:windows_10_1809:::::::x86:* cpe:2.3:o:microsoft:windows_10_1809:::::::x64:* cpe:2.3:o:microsoft:windows_10_1809:::::::arm64:*
Microsoft	Windows Server 2019	Version: 10.0.0 < publication cpe:2.3:o:microsoft:windows_server_2019::::::::
Microsoft	Windows Server 2019 (Server Core installation)	Version: 10.0.0 < publication cpe:2.3:o:microsoft:windows_server_2019::::::::
Microsoft	Windows 10 Version 1909	Version: 10.0.0 < publication cpe:2.3:o:microsoft:windows_10_1909:::::::x86:* cpe:2.3:o:microsoft:windows_10_1909:::::::x64:* cpe:2.3:o:microsoft:windows_10_1809:::::::x64:*
Microsoft	Windows Server, version 1909 (Server Core installation)	Version: 10.0.0 < publication cpe:2.3:o:microsoft:windows_server_1909::::::::
Microsoft	Windows 10 Version 2004	Version: 10.0.0 < publication cpe:2.3:o:microsoft:windows_10_1809:::::::x64:*
Microsoft	Windows Server version 2004	Version: 10.0.0 < publication cpe:2.3:o:microsoft:windows_server_2004::::::::
Microsoft	Windows 10 Version 20H2	Version: 10.0.0 < publication cpe:2.3:o:microsoft:windows_10_20H2:::::::x86:* cpe:2.3:o:microsoft:windows_10_20H2:::::::arm64:*
Microsoft	Windows Server version 20H2	Version: 10.0.0 < publication cpe:2.3:o:microsoft:windows_server_20H2::::::::

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JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T21:40:14.187Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
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              "x_transferred"
            ],
            "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28310"
          }
        ],
        "title": "CVE Program Container"
      },
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        "metrics": [
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            "other": {
              "content": {
                "id": "CVE-2021-28310",
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                  {
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-03-07T20:21:44.115657Z",
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          },
          {
            "other": {
              "content": {
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        "timeline": [
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            "time": "2021-11-03T00:00:00+00:00",
            "value": "CVE-2021-28310 added to CISA KEV"
          }
        ],
        "title": "CISA ADP Vulnrichment"
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    ],
    "cna": {
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        },
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          ],
          "platforms": [
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          "product": "Windows 10 Version 1909",
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            "ARM64-based Systems",
            "x64-based Systems"
          ],
          "product": "Windows 10 Version 2004",
          "vendor": "Microsoft",
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        }
      ],
      "metrics": [
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      "providerMetadata": {
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      },
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          ],
          "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28310"
        }
      ],
      "title": "Win32k Elevation of Privilege Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
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    "datePublished": "2021-04-13T19:32:47.000Z",
    "dateReserved": "2021-03-12T00:00:00.000Z",
    "dateUpdated": "2025-07-30T01:38:13.641Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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