CyberSec.Space Logo
Back to CVE Browser

CVE-2021-34448

Known Exploited (CISA KEV)MEDIUM
6.8
CVSS Severity Score
EPSS Score39.9230%
EPSS Percentile97.90th
PublishedJul 16, 2021
Last ModifiedOct 29, 2025

Vulnerability Description

Scripting Engine Memory Corruption Vulnerability

Affected Platforms (CPE)

💻
Microsoft

Windows 10 1507

< 10.0.10240.19003
💻
Microsoft

Windows 10 1607

< 10.0.14393.4530
💻
Microsoft

Windows 10 1809

< 10.0.17763.2061
💻
Microsoft

Windows 10 1909

< 10.0.18363.1679
💻
Microsoft

Windows 10 2004

< 10.0.19041.1110
💻
Microsoft

Windows 10 20h2

< 10.0.19042.1110
💻
Microsoft

Windows 10 21h1

< 10.0.19043.1110
💻
Microsoft

Windows 7

All versions
💻
Microsoft

Windows 8.1

All versions
💻
Microsoft

Windows Rt 8.1

All versions
💻
Microsoft

Windows Server 2008

= r2
💻
Microsoft

Windows Server 2012

All versions
💻
Microsoft

Windows Server 2012

= r2
💻
Microsoft

Windows Server 2016

< 10.0.14393.4530
💻
Microsoft

Windows Server 2019

< 10.0.17763.2061

References & Advisories

🔗 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34448
🔗 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34448
🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-34448

Related Vulnerabilities

CVE-2026-121917.8

A vulnerability was found in Comma AI Openpilot 0.11. This issue affects the function pickle.load/pickle.loads of the file selfdri...

CVE-2026-121905.3

A vulnerability has been found in Genspark AI Workspace App 2.8.4 on Android. This vulnerability affects unknown code of the compo...

CVE-2026-121895.3

A flaw has been found in Moovit Bus & Public Transit App 1.18 on Android. This affects an unknown part of the component com.tranzm...

CVE-2026-121886.3

A vulnerability was detected in Grit42 Grit up to 0.11.0. Affected by this issue is some unknown functionality of the file modules...