What’s Vulnerable › Vulnerabilities

CVE-2020-0991

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 11.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-04-15 · updated 2026-06-17

Description

A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory, aka 'Microsoft Office Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-0760.

Affected products

• Microsoft Office: 2010-sp2, 2013-sp1, 2016, 2019
• Microsoft Office 365 ProPlus: all versions
• Microsoft Office: 2019 for 32-bit editions, 2019 for 64-bit editions, 2016 (32-bit edition), 2016 (64-bit edition), 2010 Service Pack 2 (32-bit editions), 2010 Service Pack 2 (64-bit editions) (+3)
• Microsoft Office 365 ProPlus: 32-bit Systems, 64-bit Systems

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0991
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0991

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