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CVE-2021-34448

Severity
MEDIUM
CVSS
6.8
EPSS
0.3067
Risk score
62.93
CISA KEV
Yes
PoC
No
Published
2021-07-16
Modified
2025-10-21
First seen
2026-08-07
Aliases
EUVD-2021-21103, GHSA-6545-45RG-P2VP
Products
Microsoft:Windows, Microsoft:Windows 10 Version 1507 10.0.0 <10.0.10240.19003, Microsoft:Windows 10 Version 1607 10.0.0 <10.0.14393.4530, Microsoft:Windows 10 Version 1809 10.0.0 <10.0.17763.2061, Microsoft:Windows 10 Version 1909 10.0.0 <10.0.18363.1679, Microsoft:Windows 10 Version 2004 10.0.0 <10.0.19041.1110, Microsoft:Windows 10 Version 20H2 10.0.0 <10.0.19042.1110, Microsoft:Windows 10 Version 21H1 10.0.0 <10.0.19043.1110, Microsoft:Windows 7 6.1.0 <1.001, Microsoft:Windows 7 6.1.0 <6.1.7601.25661, Microsoft:Windows 7 Service Pack 1 6.1.0 <1.001, Microsoft:Windows 7 Service Pack 1 6.1.0 <6.1.7601.25661, Microsoft:Windows 8.1 6.3.0 <1.001, Microsoft:Windows 8.1 6.3.0 <6.3.9600.20069, Microsoft:Windows Server 2008 R2 Service Pack 1 6.1.0 <1.001, Microsoft:Windows Server 2008 R2 Service Pack 1 6.1.0 <6.1.7601.25661, Microsoft:Windows Server 2012 6.2.0 <1.001, Microsoft:Windows Server 2012 6.2.0 <6.2.9200.23409, Microsoft:Windows Server 2012 R2 6.3.0 <1.001, Microsoft:Windows Server 2012 R2 6.3.0 <6.3.9600.20069, Microsoft:Windows Server 2016 10.0.0 <10.0.14393.4530, Microsoft:Windows Server 2019 10.0.0 <10.0.17763.2061
Sources
cisa.gov CVE-2021-34448
euvd EUVD-2021-21103

Description

Scripting Engine Memory Corruption Vulnerability

References