CVE-2019-0823 Memory corruption in Microsoft Office

What is CVE-2019-0823?

CVE-2019-0823 is a high-severity memory corruption vulnerability in Microsoft Office, published on 9 Apr 2019. 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 when the Microsoft Office Access Connectivity Engine improperly handles objects in memory, aka 'Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2019-0824, CVE-2019-0825, CVE-2019-0826, CVE-2019-0827.

Which versions are affected by CVE-2019-0823?

It affects 1 product.

Products include Microsoft Office.

How do I fix CVE-2019-0823?

No fix has been published for CVE-2019-0823 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-2019-0823 being exploited?

There is no known exploitation of CVE-2019-0823 in the wild and no public exploit code.

Other vulnerabilities in Microsoft Office

• CVE-2018-0798 Microsoft Office Memory Corruption Exploited High 8.8
• CVE-2015-1770 Microsoft Office Uninitialized Memory Use Exploited High 8.8
• CVE-2006-2492 Microsoft Word Malformed Object Pointer Exploited High 8.8
• CVE-2018-0802 Microsoft Office Memory Corruption Exploited High 7.8
• CVE-2017-11882 Microsoft Office Memory Corruption Exploited High 7.8

All Microsoft Office vulnerabilities

Sources

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

Also known as GHSA-4h86-m5xm-rmf5.