CVE-2019-1155 Jet Database Engine Remote Code Execution Vulnerability

What is CVE-2019-1155?

CVE-2019-1155 is a high-severity memory corruption vulnerability in Microsoft Office, published on 14 Aug 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 Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory.

Which versions are affected by CVE-2019-1155?

It affects 10 products.

Products include Microsoft Office, Microsoft Office 365 Proplus, Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1 and 4 more.

How do I fix CVE-2019-1155?

No fix has been published for CVE-2019-1155 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-2019-1155 being exploited?

There is no known exploitation of CVE-2019-1155 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-vmp9-r9rc-8gc7.