CVE-2021-34448CISA KEVEPSS p98.6%

CVE-2021-34448Microsoft Windows Scripting Engine Memory Corruption Vulnerability

Microsoft / Windows

Description

Microsoft Windows Scripting Engine contains an unspecified vulnerability that allows for memory corruption.

Scoring

CVSS 6.8 ()
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS40.06% probability of exploitation · percentile 98.6% · 2026-10-05T12:00:23Z
Last modified2026-08-10

CISA KEV entry

Added to KEV: 2021-11-03

(incoming)1

TypeTargetConfidenceTier
KEVEntryMicrosoft Windows Scripting Engine Memory Corruption Vulnerabilitykev-cve-2021-344480%live

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Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.