CVE-2021-42295: Visual Basic for Applications Information Disclosure Vulnerability
Overview
- Severity
- Medium (CVSS 5.5)
- CVSS Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
- Category
- Information Disclosure
- Exploit Status
- Not Exploited
- Exploitation Likelihood
- Less Likely
- Patch Tuesday
- 2021-Dec
- Released
- 2021-12-14
- EPSS Score
- 4.17% (percentile: 88.7%)
FAQ
Is the Preview Pane an attack vector for this vulnerability?
No, the Preview Pane is not an attack vector.
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.
Affected Products (11)
Microsoft Office
- Microsoft Office 2019 for 32-bit editions
- Microsoft Office 2019 for 64-bit editions
- Microsoft 365 Apps for Enterprise for 32-bit Systems
- Microsoft 365 Apps for Enterprise for 64-bit Systems
- Microsoft Office LTSC 2021 for 64-bit editions
- Microsoft Office LTSC 2021 for 32-bit editions
- Microsoft Office 2016 (32-bit edition)
- Microsoft Office 2016 (64-bit edition)
- Microsoft Office 2013 RT Service Pack 1
- Microsoft Office 2013 Service Pack 1 (32-bit editions)
- Microsoft Office 2013 Service Pack 1 (64-bit editions)
Security Updates (4)
Acknowledgments
5n1p3r0010 from Topsec ChiXiao lab
Revision History
- 2021-12-14: Information published.