CVE-2021-31174

Microsoft Excel Information Disclosure Vulnerability

Description

Microsoft Excel Information Disclosure Vulnerability

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.00% Top 25%
Vendor Advisory microsoft.com
Affected: Microsoft Microsoft Office 2019
Affected: Microsoft Microsoft Office Online Server
Affected: Microsoft Microsoft 365 Apps for Enterprise
Affected: Microsoft Microsoft Excel 2016
Affected: Microsoft Microsoft Office 2016
Affected: Microsoft Microsoft Excel 2013 Service Pack 1
Affected: Microsoft Microsoft Office 2013 Service Pack 1
Affected: Microsoft Microsoft Office Web Apps Server 2013 Service Pack 1
Published at:
Updated at:

References

Link Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31174 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-31174?
CVE-2021-31174 has been scored as a medium severity vulnerability.
How to fix CVE-2021-31174?
To fix CVE-2021-31174, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-31174 being actively exploited in the wild?
It is possible that CVE-2021-31174 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-31174?
CVE-2021-31174 affects Microsoft Microsoft Office 2019, Microsoft Microsoft Office Online Server, Microsoft Microsoft 365 Apps for Enterprise, Microsoft Microsoft Excel 2016, Microsoft Microsoft Office 2016, Microsoft Microsoft Excel 2013 Service Pack 1, Microsoft Microsoft Office 2013 Service Pack 1, Microsoft Microsoft Office Web Apps Server 2013 Service Pack 1.
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