What’s Vulnerable › Vulnerabilities

CVE-2020-1240

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 12.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-07-14 · updated 2026-06-17

Description

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'.

Affected products

• Microsoft 365 Apps: all versions
• Microsoft 365 Apps for Enterprise for 32-bit Systems: all versions
• Microsoft 365 Apps for Enterprise for 64-bit Systems: all versions

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1240
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1240

Get alerted when CVE-2020-1240 or the next vulnerability affects your stack