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CNVD-2026-12558
Vulnerability from cnvd - Published: 2026-03-04
VLAI Severity ?
Title
Microsoft Windows Kernel竞争条件漏洞
Description
Microsoft Windows Kernel是美国微软（Microsoft）公司的Windows操作系统的内核。
Microsoft Windows Kernel存在竞争条件漏洞。该漏洞源于内核在处理特定操作时存在竞争条件，攻击者可利用该漏洞提升权限或导致系统崩溃。
Severity
中
Patch Name
Microsoft Windows Kernel竞争条件漏洞的补丁
Patch Description
Microsoft Windows Kernel是美国微软（Microsoft）公司的Windows操作系统的内核。
Microsoft Windows Kernel存在竞争条件漏洞。该漏洞源于内核在处理特定操作时存在竞争条件，攻击者可利用该漏洞提升权限或导致系统崩溃。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/vulnerability/CVE-2026-21231
Reference
https://nvd.nist.gov/vuln/detail/CVE-2026-21231
Impacted products
| Name | ['Microsoft Window 10 22H2', 'Microsoft Window 10 21H2', 'Microsoft Window 10 1809', 'Microsoft Window 10 1607', 'Microsoft Window 11 23H2', 'Microsoft Window 11 24H2', 'Microsoft Window 11 25H2', 'Microsoft Windows Server 2025', 'Microsoft Windows Server 2016', 'Microsoft Windows Server 2019', 'Microsoft Windows Server 2022', 'Microsoft Windows Server 2012 R2', 'Microsoft Windows Server 2012'] |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2026-21231",
"cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-21231"
}
},
"description": "Microsoft Windows Kernel\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684Windows\u64cd\u4f5c\u7cfb\u7edf\u7684\u5185\u6838\u3002\n\nMicrosoft Windows Kernel\u5b58\u5728\u7ade\u4e89\u6761\u4ef6\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5185\u6838\u5728\u5904\u7406\u7279\u5b9a\u64cd\u4f5c\u65f6\u5b58\u5728\u7ade\u4e89\u6761\u4ef6\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u5347\u6743\u9650\u6216\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\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/vulnerability/CVE-2026-21231",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2026-12558",
"openTime": "2026-03-04",
"patchDescription": "Microsoft Windows Kernel\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684Windows\u64cd\u4f5c\u7cfb\u7edf\u7684\u5185\u6838\u3002\r\n\r\nMicrosoft Windows Kernel\u5b58\u5728\u7ade\u4e89\u6761\u4ef6\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5185\u6838\u5728\u5904\u7406\u7279\u5b9a\u64cd\u4f5c\u65f6\u5b58\u5728\u7ade\u4e89\u6761\u4ef6\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u5347\u6743\u9650\u6216\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\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 Kernel\u7ade\u4e89\u6761\u4ef6\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": [
"Microsoft Window 10 22H2",
"Microsoft Window 10 21H2",
"Microsoft Window 10 1809",
"Microsoft Window 10 1607",
"Microsoft Window 11 23H2",
"Microsoft Window 11 24H2",
"Microsoft Window 11 25H2",
"Microsoft Windows Server 2025",
"Microsoft Windows Server 2016",
"Microsoft Windows Server 2019",
"Microsoft Windows Server 2022",
"Microsoft Windows Server 2012 R2",
"Microsoft Windows Server 2012"
]
},
"referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2026-21231",
"serverity": "\u4e2d",
"submitTime": "2026-03-02",
"title": "Microsoft Windows Kernel\u7ade\u4e89\u6761\u4ef6\u6f0f\u6d1e"
}
CVE-2026-21231 (GCVE-0-2026-21231)
Vulnerability from cvelistv5 – Published: 2026-02-10 17:51 – Updated: 2026-04-10 13:21
VLAI?
EPSS
Title
Windows Kernel Elevation of Privilege Vulnerability
Summary
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kernel allows an authorized attacker to elevate privileges locally.
Severity ?
CWE
- CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Windows 10 Version 1607 |
Affected:
10.0.14393.0 , < 10.0.14393.8868
(custom)
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Date Public ?
2026-02-10 16:00
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"product": "Windows Server 2022",
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"datePublic": "2026-02-10T16:00:00.000Z",
"descriptions": [
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"value": "Concurrent execution using shared resource with improper synchronization (\u0027race condition\u0027) in Windows Kernel allows an authorized attacker to elevate privileges locally."
}
],
"metrics": [
{
"cvssV3_1": {
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"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C",
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}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-04-10T13:21:33.941Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
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"tags": [
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],
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}
],
"title": "Windows Kernel Elevation of Privilege Vulnerability"
}
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"datePublished": "2026-02-10T17:51:48.230Z",
"dateReserved": "2025-12-11T21:02:05.734Z",
"dateUpdated": "2026-04-10T13:21:33.941Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
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.
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