CVE-2021-38657: Microsoft Office Graphics Component Information Disclosure Vulnerability

Overview

Severity
Medium (CVSS 6.1)
CVSS Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L/E:U/RL:O/RC:C
Category
Remote Code Execution
Exploit Status
Not Exploited
Exploitation Likelihood
Less Likely
Patch Tuesday
2021-Sep
Released
2021-09-14
Last Updated
2021-09-23
EPSS Score
0.29% (percentile: 51.9%)

FAQ

What type of information could be disclosed by this vulnerability? The type of information that could be disclosed if an attacker successfully exploited this vulnerability is uninitialized memory. Is the Preview Pane an attack vector for this vulnerability? No, the Preview Pane is not an attack vector.

Affected Products (2)

Microsoft Office

  • Microsoft 365 Apps for Enterprise for 32-bit Systems
  • Microsoft 365 Apps for Enterprise for 64-bit Systems

Acknowledgments

<a href="https://twitter.com/rwxcode">ShiLongan</a> with <a href="https://www.nsfocus.com.cn/">NSFOCUS TIANJI LAB</a>, Zhangjie and willJ, <a href="https://twitter.com/wh1tc">Zesen Ye (@wh1tc)</a> and <a href="https://twitter.com/edwardzpeng">Zhiniang Peng (@edwardzpeng)</a> with <a href="https://www.sangfor.com/en">Sangfor</a>

Revision History

  • 2021-09-14: Information published.
  • 2021-09-23: Added an acknowledgement. This is an informational change only.