What’s Vulnerable › Vulnerabilities

CVE-2020-1321

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 11.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-06-09 · updated 2026-06-17

Description

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

Affected products

• Microsoft 365 Apps: all versions
• Microsoft Office: 2016, 2019
• Microsoft 365 Apps for Enterprise for 32-bit Systems: all versions
• Microsoft 365 Apps for Enterprise for 64-bit Systems: all versions
• Microsoft Office: 2019 for 32-bit editions, 2019 for 64-bit editions, 2019 for Mac, 2016 for Mac

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1321
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1321

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