CVE-2021-34448

MediumCVSS 6.8/10Known exploited (CISA KEV)Last modified Aug 10, 2026

Description

Scripting Engine Memory Corruption Vulnerability

Metrics

CVSS 3.1 6.8/10CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

Weakness enumeration

Affected software

VendorProductVersions
MicrosoftWindows 10 Version 1507>= 10.0.10240.0, < 10.0.10240.19003
MicrosoftWindows 10 Version 1607>= 10.0.14393.0, < 10.0.14393.4530
MicrosoftWindows 10 Version 1809>= 10.0.17763.0, < 10.0.17763.2061
MicrosoftWindows 10 Version 1809>= 10.0.0, < 10.0.17763.2061
MicrosoftWindows 10 Version 1909>= 10.0.0, < 10.0.18363.1679
MicrosoftWindows 10 Version 2004>= 10.0.0, < 10.0.19041.1110
MicrosoftWindows 10 Version 20H2>= 10.0.0, < 10.0.19042.1110
MicrosoftWindows 10 Version 21H1>= 10.0.0, < 10.0.19043.1110
MicrosoftWindows 7>= 6.1.0, < 6.1.7601.25661
MicrosoftWindows 7 Service Pack 1>= 6.1.0, < 6.1.7601.25661
MicrosoftWindows 8.1>= 6.3.0, < 6.3.9600.20069
MicrosoftWindows Server 2008 R2 Service Pack 1>= 6.1.7601.0, < 6.1.7601.25661
MicrosoftWindows Server 2012>= 6.2.9200.0, < 6.2.9200.23409
MicrosoftWindows Server 2012 R2>= 6.3.9600.0, < 6.3.9600.20069
MicrosoftWindows Server 2016>= 10.0.14393.0, < 10.0.14393.4530
MicrosoftWindows Server 2019>= 10.0.17763.0, < 10.0.17763.2061

References

Timeline

Published
Jul 16, 2021
Last modified
Aug 10, 2026
Added to CISA KEV
Nov 3, 2021
NVD status
Analyzed

Related CVEs from 2021

CVE-2021-34448: Medium severity, CVSS 6.8 | Vulnix