Microsoft Scripting Engine
CVE-2021-34448 — Scripting Engine Memory Corruption Vulnerability
Executive Summary
None
Overview
6.8
CVSS MEDIUM
Critical
MS Severity
Exploited
MS Exploit Status
Exploitation Detected
MS Exploit Likelihood
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N/E:F/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
High
PRIVILEGES REQUIRED
None
USER INTERACTION
Required
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
None
EXPLOIT CODE MATURITY
Functional
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.3
EPSS Score
No EPSS score available for this CVE.
View on FIRST.orgAffected Products
35 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Windows 10 Version 1809 for 32-bit Systems | 5004244 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 1809 for x64-based Systems | 5004244 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 1809 for ARM64-based Systems | 5004244 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows Server 2019 | 5004244 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 1909 for 32-bit Systems | 5004245 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 1909 for x64-based Systems | 5004245 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 1909 for ARM64-based Systems | 5004245 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 21H1 for x64-based Systems | 5004237 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 21H1 for ARM64-based Systems | 5004237 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 21H1 for 32-bit Systems | 5004237 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 2004 for 32-bit Systems | 5004237 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 2004 for ARM64-based Systems | 5004237 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 2004 for x64-based Systems | 5004237 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 20H2 for 32-bit Systems | 5004237 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 20H2 for ARM64-based Systems | 5004237 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 for 32-bit Systems | 5004249 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 for x64-based Systems | 5004249 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 1607 for 32-bit Systems | 5004238 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 10 Version 1607 for x64-based Systems | 5004238 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows Server 2016 | 5004238 (Security Update) |
Critical | Remote Code Execution | Yes |
| Windows 7 for 32-bit Systems Service Pack 1 | 5004289 (Monthly Rollup) |
Critical | Remote Code Execution | Yes |
| Windows 7 for x64-based Systems Service Pack 1 | 5004289 (Monthly Rollup) |
Critical | Remote Code Execution | Yes |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | 5004289 (Monthly Rollup) |
Critical | Remote Code Execution | Yes |
| Windows 7 for 32-bit Systems Service Pack 1 | 5005563 (IE Cumulative) |
Critical | Remote Code Execution | Yes |
| Windows 7 for x64-based Systems Service Pack 1 | 5005563 (IE Cumulative) |
Critical | Remote Code Execution | Yes |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | 5005563 (IE Cumulative) |
Critical | Remote Code Execution | Yes |
| Windows 8.1 for 32-bit systems | 5004298 (Monthly Rollup) |
Critical | Remote Code Execution | Yes |
| Windows 8.1 for x64-based systems | 5004298 (Monthly Rollup) |
Critical | Remote Code Execution | Yes |
| Windows Server 2012 R2 | 5004298 (Monthly Rollup) |
Critical | Remote Code Execution | Yes |
| Windows 8.1 for 32-bit systems | 5005563 (IE Cumulative) |
Critical | Remote Code Execution | Yes |
| Windows 8.1 for x64-based systems | 5005563 (IE Cumulative) |
Critical | Remote Code Execution | Yes |
| Windows Server 2012 | 5005563 (IE Cumulative) |
Critical | Remote Code Execution | Yes |
| Windows Server 2012 R2 | 5005563 (IE Cumulative) |
Critical | Remote Code Execution | Yes |
| Windows RT 8.1 | 5004298 (Monthly Rollup) |
Critical | Remote Code Execution | Yes |
| Windows Server 2012 | 5004294 (Monthly Rollup) |
Critical | Remote Code Execution | Yes |
Patches
9 patches
| Article | Type | Restart |
|---|---|---|
5004244 |
Security Update | Yes |
5004245 |
Security Update | Yes |
5004237 |
Security Update | Yes |
5004249 |
Security Update | Yes |
5004238 |
Security Update | Yes |
5004289 |
Monthly Rollup | Yes |
5005563 |
IE Cumulative | Yes |
5004298 |
Monthly Rollup | Yes |
5004294 |
Monthly Rollup | Yes |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
yangkang(@dnpushme)&bianliang&wanggang&lihongfei&liujialei of 360 ATA
References
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