Vulnerability Description
Microsoft Windows Update Client Elevation of Privilege Vulnerability
CVSS Score
7.1
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 | - |
| Microsoft | Windows Server 2016 | - |
| Microsoft | Windows Server 2019 | - |
| Microsoft | Windows Server 2022 | - |
Related Weaknesses (CWE)
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-3863PatchVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1075/Third Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-3863PatchVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1075/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2021-38634?
CVE-2021-38634 is a vulnerability with a CVSS score of 7.1 (HIGH). Microsoft Windows Update Client Elevation of Privilege Vulnerability
How severe is CVE-2021-38634?
CVE-2021-38634 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-38634?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022.