CVE-2021-26866
7.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C
Summary
Windows Update Service Elevation of Privilege Vulnerability
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Windows 10 Version 1507 | 10.0.10240.0 < 10.0.10240.18874 | affected |
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0 < 10.0.14393.4283 | affected |
| Microsoft | Windows 10 Version 1803 | 10.0.0 < 10.0.17134.2087 | affected |
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 < 10.0.17763.1817 | affected |
| Microsoft | Windows 10 Version 1809 | 10.0.0 < 10.0.17763.1817 | affected |
| Microsoft | Windows 10 Version 1909 | 10.0.0 < 10.0.18363.1440 | affected |
| Microsoft | Windows 10 Version 2004 | 10.0.0 < 10.0.19043.867 | affected |
| Microsoft | Windows 10 Version 20H2 | 10.0.0 < 10.0.19043.867 | affected |
| Microsoft | Windows Server 2016 | 10.0.14393.0 < 10.0.14393.4283 | affected |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 < 10.0.14393.4283 | affected |
| Microsoft | Windows Server 2019 | 10.0.17763.0 < 10.0.17763.1817 | affected |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 < 10.0.17763.1817 | affected |
| Microsoft | Windows Server version 2004 | 10.0.0 < 10.0.19043.867 | affected |
| Microsoft | Windows Server version 20H2 | 10.0.0 < 10.0.19043.867 | affected |
| Microsoft | Windows Server, version 1909 (Server Core installation) | 10.0.0 < 10.0.18363.1440 | affected |
Weaknesses
- Elevation of Privilege
ADP Enrichment
CVE Program Container
Additional References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26866
- https://www.zerodayinitiative.com/advisories/ZDI-21-286/
References
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.