9.9
CVSSv3

CVE-2021-34458

Published: 16/07/2021 Updated: 28/12/2023
CVSS v2 Base Score: 9 | Impact Score: 10 | Exploitability Score: 8
CVSS v3 Base Score: 9.9 | Impact Score: 6 | Exploitability Score: 3.1
VMScore: 801
Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C

Vulnerability Summary

Windows Kernel Remote Code Execution Vulnerability

Vulnerability Trend

Vulnerable Product Search on Vulmon Subscribe to Product

microsoft windows server 2016 -

microsoft windows server 2019 -

microsoft windows server 2016 2004

microsoft windows server 2016 20h2

Recent Articles

What follows Patch Tuesday? Exploit Wednesday. Grab this bumper batch of security updates from Microsoft
The Register • Iain Thomson in San Francisco • 14 Jul 2021

Four flaws already being abused in the wild to compromise victims

Microsoft released an XL-sized bundle of security fixes for its products for this month's Patch Tuesday, and other vendors are close behind in issuing updates. The Windows goliath's batch for July has 117 patches, 13 for what's said to be critical bugs, 103 important, and one moderate. Normally, we'd encourage you to install these updates, testing them as appropriate prior to deployment, before miscreants develop exploits for them. However, four of these holes are already being exploited in the ...