Vulnerability-Lookup

VAR-202110-0498

Vulnerability from variot - Updated: 2024-07-03 23:09

Win32k Elevation of Privilege Vulnerability. Microsoft Windows 10 , Windows 11 , Windows Server Has Win32k There is a vulnerability that can elevate privileges due to a flaw in. Microsoft Win32k是美国微软（Microsoft）公司的一个用于Windows多用户管理的系统文件. Microsoft Windows Win32K存在权限许可和访问控制问题漏洞。以下产品和版本受到影响：Windows 10 Version 21H1 for x64-based Systems,Windows 10 Version 21H1 for ARM64-based Systems,Windows 10 Version 21H1 for 32-bit Systems,Windows Server 2022,Windows Server 2022 (Server Core installation),Windows 10 Version 2004 for 32-bit Systems,Windows 10 Version 2004 for ARM64-based Systems,Windows 10 Version 2004 for x64-based Systems,Windows Server, version 2004 (Server Core installation),Windows 10 Version 20H2 for x64-based Systems,Windows 10 Version 20H2 for 32-bit Systems,Windows 10 Version 20H2 for ARM64-based Systems,Windows Server, version 20H2 (Server Core Installation),Windows 11 for x64-based Systems,Windows 11 for ARM64-based Systems

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CVE-2021-41357 (GCVE-0-2021-41357)

Vulnerability from cvelistv5 – Published: 2021-10-13 00:28 – Updated: 2025-10-21 23:25

Title

Win32k Elevation of Privilege Vulnerability

Summary

Win32k Elevation of Privilege Vulnerability

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

SSVC

Exploitation: active Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-06-04 15:03 UTC

CWE

Elevation of Privilege
CWE-noinfo Not enough information

Assigner

microsoft CNA under the mitre root

CNA scorecard B 82/100 over 4926 records in the last 180 days details

References

2 references

URL	Tags
https://portal.msrc.microsoft.com/en-US/security-…	x_refsource_MISC
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

7 products

Vendor	Product	Version
Microsoft	Windows 10 Version 21H1	Affected: 10.0.0 , < 10.0.19043.1288 (custom) cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1288::::::x64: cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1288::::::arm64: cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1288::::::x86:
Microsoft	Windows Server 2022	Affected: 10.0.0 , < 10.0.20348.288 (custom) cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.288:::::::*
Microsoft	Windows 10 Version 2004	Affected: 10.0.0 , < 10.0.19041.1288 (custom) cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1288::::::x64:
Microsoft	Windows Server version 2004	Affected: 10.0.0 , < 10.0.19041.1288 (custom) cpe:2.3:o:microsoft:windows_server_2004:10.0.19041.1288:::::::*
Microsoft	Windows 10 Version 20H2	Affected: 10.0.0 , < 10.0.19042.1288 (custom) cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1288::::::x86: cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1288::::::arm64:
Microsoft	Windows Server version 20H2	Affected: 10.0.0 , < 10.0.19042.1288 (custom) cpe:2.3:o:microsoft:windows_server_20H2:10.0.19042.1288:::::::*
Microsoft	Windows 11 version 21H2	Affected: 10.0.0 , < 10.0.22000.258 (custom) cpe:2.3:o:microsoft:windows_11_21H2:10.0.22000.258::::::x64: cpe:2.3:o:microsoft:windows_11_21H2:10.0.22000.258::::::arm64:

Date Public

2021-10-12 07:00

Show details on NVD website

JSON

To clipboard

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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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

Loading timeline…

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

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