Remote Code Execution Vulnerability in Microsoft Excel Software
CVE-2020-1240

8.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft 365 Apps For Enterprise For 32-bit Systems
Microsoft 365 Apps For Enterprise For 64-bit Systems
Vendor
CVE Published:
14 July 2020

What is CVE-2020-1240?

A remote code execution vulnerability exists in Microsoft Excel due to improper handling of objects in memory. This flaw allows an attacker to execute arbitrary code on an affected system by convincing a user to open a specially crafted file. Successful exploitation may enable the attacker to install programs, view, change, or delete data, or create new accounts with full user rights. This issue underscores the importance of applying security updates to mitigate risks associated with unpatched software.

Affected Version(s)

Microsoft 365 Apps for Enterprise for 32-bit Systems = unspecified

Microsoft 365 Apps for Enterprise for 64-bit Systems = unspecified

References

https://portal.msrc.microsoft.com/en-US/security-guidance...
x_refsource_MISC

EPSS Score

35% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.