Jul 2021: Scripting Engine Memory Corruption Vulnerability
CVE-2021-34448 Published on July 16, 2021

Scripting Engine Memory Corruption Vulnerability
Scripting Engine Memory Corruption Vulnerability

NVD

Known Exploited Vulnerability

This Microsoft Scripting Engine Memory Corruption Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Scripting Engine Memory Corruption Vulnerability.

The following remediation steps are recommended / required by November 17, 2021: Apply updates per vendor instructions.

Weakness Type

What is a Memory Corruption Vulnerability?

The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.

CVE-2021-34448 has been classified to as a Memory Corruption vulnerability or weakness.

Products Associated with CVE-2021-34448

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2021-34448 are published in these products:

Microsoft Windows 10

Microsoft Windows 7

Microsoft Windows 8.1

Microsoft Windows Rt 8 1

Microsoft Windows Server 2008

Microsoft Windows Server 2012

Microsoft Windows Server 2016

Microsoft Windows Server 2019

Microsoft Windows 10 1909

Microsoft Windows 10 21h1

Microsoft Windows 10 2004

Microsoft Windows 10 1507

Microsoft Windows Server 2008 R2

Microsoft Windows Server 2012 R2

Affected Versions

Microsoft Windows 10 Version 1809:

Version 10.0.0 and below 10.0.17763.2061 is affected.

Microsoft Windows Server 2019:

Version 10.0.0 and below 10.0.17763.2061 is affected.

Microsoft Windows 10 Version 1909:

Version 10.0.0 and below 10.0.18363.1679 is affected.

Microsoft Windows 10 Version 21H1:

Version 10.0.0 and below 10.0.19043.1110 is affected.

Microsoft Windows 10 Version 2004:

Version 10.0.0 and below 10.0.19041.1110 is affected.

Microsoft Windows 10 Version 20H2:

Version 10.0.0 and below 10.0.19042.1110 is affected.

Microsoft Windows 10 Version 1507:

Version 10.0.0 and below 10.0.10240.19003 is affected.

Microsoft Windows 10 Version 1607:

Version 10.0.0 and below 10.0.14393.4530 is affected.

Microsoft Windows Server 2016:

Version 10.0.0 and below 10.0.14393.4530 is affected.

Microsoft Windows 7:

Version 6.1.0 and below 6.1.7601.25661 is affected.
Version 6.1.0 and below 1.001 is affected.

Microsoft Windows 7 Service Pack 1:

Version 6.1.0 and below 6.1.7601.25661 is affected.
Version 6.1.0 and below 1.001 is affected.

Microsoft Windows 8.1:

Version 6.3.0 and below 6.3.9600.20069 is affected.
Version 6.3.0 and below 1.001 is affected.

Microsoft Windows Server 2008 R2 Service Pack 1:

Version 6.1.0 and below 6.1.7601.25661 is affected.
Version 6.1.0 and below 1.001 is affected.

Microsoft Windows Server 2012:

Version 6.2.0 and below 6.2.9200.23409 is affected.
Version 6.2.0 and below 1.001 is affected.

Microsoft Windows Server 2012 R2:

Version 6.3.0 and below 6.3.9600.20069 is affected.
Version 6.3.0 and below 1.001 is affected.

Exploit Probability

EPSS

2.02%

Percentile

83.47%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.