November 3, 2021 · Applied Cybernetics Group
CVE-2021-34448 — Microsoft Windows
Microsoft Windows Scripting Engine Memory Corruption Vulnerability
- Added to KEV
2021-11-03- Federal due date
2021-11-17- Vendor
- Microsoft
- Product
- Windows
- EPSS
- 98.6th percentile (score 0.401, as of
2026-09-16) - NVD CVSS v3.1
- 6.8 (MEDIUM)
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2021-34448
CISA short description
Microsoft Windows Scripting Engine contains an unspecified vulnerability that allows for memory corruption.
Required action
Apply updates per vendor instructions.
NVD description
Scripting Engine Memory Corruption Vulnerability