CVE-2020-0652 Memory corruption in Microsoft Office

What is CVE-2020-0652?

CVE-2020-0652 is a high-severity memory corruption vulnerability in Microsoft Excel, published on 14 Jan 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory, aka 'Microsoft Office Memory Corruption Vulnerability'.

Weakness: CWE-787

Which versions are affected by CVE-2020-0652?

It affects 2 products.

Products include Microsoft Excel, Microsoft Office 365 Proplus.

How do I fix CVE-2020-0652?

No fix has been published for CVE-2020-0652 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2020-0652 being exploited?

There is no known exploitation of CVE-2020-0652 in the wild and no public exploit code.

Other vulnerabilities in Microsoft Excel

• CVE-2019-1297 Microsoft Excel Remote Code Execution Exploited High 8.8
• CVE-2009-0238 Microsoft Office Remote Code Execution Exploited High 8.8
• CVE-2016-7262 Microsoft Office Security Feature Bypass Exploited High 7.8
• CVE-2009-3129 Microsoft Excel Featheader Record Memory Corruption Exploited High 7.8
• CVE-2008-0081 Code injection in n/a Critical 9.8

All Microsoft Excel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-66vw-cj4r-f5fq.