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HomeCVEsCVE-2021-34448

CVE-2021-34448

Published: January 26, 2026
Last updated:1 day ago (January 26, 2026)
Exploit: YesZero-day: YesPatch: YesTrend: Neutral
TL;DR
Updated January 26, 2026

CVE-2021-34448 is a medium severity vulnerability with a CVSS score of 6.8. Exploits are available; patches have been released and should be applied urgently. This is classified as a zero-day vulnerability.

Key Points
  • 1Medium severity (CVSS 6.8/10)
  • 2EPSS: 2.00% - moderate likelihood of exploitation
  • 3Public exploits are available
  • 4Vendor patches are available
  • 5Strobes Priority Score: 679/1000 (Medium)
  • 6Affects products from: Microsoft
Severity Scores
CVSS v36.8
CVSS v29.3
Priority Score679.0
EPSS Score2.0
Medium
Exploitation LikelihoodLow
2.00%EPSS

Lower probability of exploitation

Patch during regular maintenance
2.00%
EPSS
6.8
CVSS
Yes
Exploit
Yes
Patch
Medium Priority
exploit exists

EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.

Description

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

CVSS v3 Breakdown
Attack Vector:Network
Attack Complexity:High
Privileges Required:Network
User Interaction:Required
Scope:Unchanged
Confidentiality:High
Integrity:High
Availability:Network
Exploit References
Cisa.gov
Patch References
[email protected]Zeroday CZ
Trend Analysis
Neutral
Vulnerable Products
VendorProduct
MicrosoftWindows 7
MicrosoftWindows Server 2019
MicrosoftWindows 10 20h2
MicrosoftWindows Rt 8.1
MicrosoftWindows 10 1607
MicrosoftWindows Server 2008
MicrosoftWindows 10 1507
MicrosoftWindows Server 2012
MicrosoftWindows 10 1809
MicrosoftWindows 8.1

And 4 more...

Advisories
CISA: Microsoft Windows Scripting Engine contains an unspecified vulnerability that allows for memory corruption.
GitHub AdvisoryNVD
Cite This Page
APA Format
Strobes VI. (2026). CVE-2021-34448 - CVE Details and Analysis. Strobes VI. Retrieved January 27, 2026, from https://vi.strobes.co/cve/CVE-2021-34448
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