Vulnerability in Microsoft Windows Server 2016
CVE-2021-34458
Windows Kernel Remote Code Execution Vulnerability
EPSS: 0.026 (84.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Microsoft Windows Server 2016 — versions 10.0.14393.0, 10.0.0
- Microsoft Windows_server_2016 — versions 20h2, 2004
- Microsoft Windows Server 2016 (Server Core Installation) — versions 10.0.14393.0, 10.0.0
- Microsoft Windows Server 2019 — versions 10.0.0, 10.0.17763.0
- Microsoft Windows_server_2019
- Microsoft Windows Server 2019 (Server Core Installation) — versions 10.0.0, 10.0.17763.0
- Microsoft Windows Server Version 2004 — versions 10.0.0
- Microsoft Windows Server Version 20h2 — versions 10.0.0
References
- af854a3a-2127-422b-91ae-364da2661108 (Patch, x_refsource_MISC, Vendor Advisory)
- secure@microsoft.com (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2021-34458?
- CVE-2021-34458 is a critical-severity vulnerability in Microsoft Windows Server 2016. CVSS score: 9.9/10. Published 2021-07-16.
- How severe is CVE-2021-34458?
- Critical severity. CVSS v3 base score is 9.9 out of 10.