CVE-2021-34480

MEDIUM

Windows 10 - Scripting Engine Memory Corruption via JIT Optimization

Title source: llm

Scripting Engine Memory Corruption Vulnerability

Core 2

Core References

Patch, Vendor Advisory x_refsource_misc

Third Party Advisory, VDB Entry x_refsource_misc

CVSS v3 6.8

EPSS 0.3182

EPSS Percentile 98.1%

Attack Vector NETWORK

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

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

CWE

CWE-787

Status published

Products (15)

microsoft/windows_10

microsoft/windows_10 20h2

microsoft/windows_10 21h1

microsoft/windows_10 1607

microsoft/windows_10 1809

microsoft/windows_10 1909

microsoft/windows_10 2004

microsoft/windows_7

microsoft/windows_8.1

microsoft/windows_rt_8.1

... and 5 more

Published Aug 12, 2021

Tracked Since Feb 18, 2026